需求100道五年级下册口算题。带答案谢谢
五年级下册口算题大全带答案
小学五年级数学下册口算题带答案的rn 急呀!急需用!快点呀!最好是50道五年级下册口算,要答案的!各位仁兄,帮帮忙啊!给我出100道五年级下册的口算题要答案
供参考
五年级口算题及答案
1740=680, 100-63=37, 3.2+1.68=4.88, 2.80.4= 1.12 14-7.4=6.6, 1.920.04=48, 0.32500=160, 0.65+4.35= 5 10-5.4=4.6, 420=0.2, 3.5200=700, 1.5-0.06=1.44 0.7515=0.05, 0
五年级数学口算题(要有答案)
1740=680, 100-63=37, 3.2+1.68=4.88, 2.80.4= 1.12 14-7.4=6.6, 1.920.04=48, 0.32500=160, 0.65+4.35= 5 10-5.4=4.6, 420=0.2, 3.5200=700, 1.5-0.06=1.44 0.7515=0.05, 0
五年级分数口算题 要有答案!!!
123/5=12( 5/3) 96/7=9( 7/6 ) 305/6=30(6/5 ) 4(3/2 )=42/3 ( 4 )5/7=47/5 34/5=35/4 ( 24 )7/16=24(16/7 ) AC/B=AB/C 44/5=5 63/4=8 102/5=
五年级下学期的口算题,且有答案,北师大版。回答好的重重有赏!
1740=680, 100-63=37, 3.2+1.68=4.88, 2.80.4= 1.12 14-7.4=6.6, 1.920.04=48, 0.32500=160, 0.65+4.35= 5 10-5.4=4.6, 420=0.2, 3.5200=700, 1.5-0.06=1.44 0.7515=0.05, 0
我要480道五年级口算题啊,切记一定要有答案
4.8+2.3= 5.67= 4.7+6.2= 3.7-0.07= 270.01= 3.72+2.28= 0.62+0.38= 1.254= 0.450.09= 5.20= 1.73+3.2= 1.12100= 8.70.29= 10.3+5.2= 1. 03-0.9= 12.4+0.37= 0.0425= 0.29
求五年级下册同分母加减法口算题,谢谢,有答案更好!
答案还是自己来吧,都挺简单的,注意约分成最简分数 1) 5/15+8/15= 2) 3/14+1/14= 3) 4/7+1/7= 4) 5/15+2/15= 5) 4/14+8/14= 6) 12/15+3/15= 7) 4/9+3/9= 8) 3/15+1/15= 9)
五年级下册口算题有答案300道
1740= 100-63= 3.2+1.68= 2.80.4= 14-7.4= 1.920.04= 0.32500= 0.65+4.35= 10-5.4= 420= 3.5200= 1.5-0.06= 0.7515= 0.40.8= 40.25= 0.36+1.54= 1.0199= 4
五年级下册口算题 500道(有答案0
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875
五年级分数口算题(有答案)符号是加减乘除
2/3+1/4=11/12 1/6+1/7=13/42 15/30+1/2=1 (这个有些简单自己可以想想,就像我那样以此类推。)
求小学五年级下册口算150题,脱式计算、简算、方程100题,应...
口算 1740=680, 100-63=37, 3.2+1.68=4.88, 2.80.4= 1.12 14-7.4=6.6, 1.920.04=48, 0.... 三年级浇45棵,三年级比四年级少浇10棵,四年级是五年纪浇的棵数的一半。五年级比三年纪多浇多少棵?
五年级下册口算题
100道要难点的要答案文档里全有了,要的看看。
0.38+1.64= 0.65+0.27= 1.5-0.9= 2.3-0.7=
3-2.8= 3.2-2.4= 5.14-3.6= 2.41-1.6=
44-9+62= 56+23-6= 19-8+21= 10178=
2.14-0.9= 0.5+7.6= 24048= 420030=
0.75-0.38= 396+99= 286+199= 1-0.2=
2035= 18.5-9.9= 0.5+4.4= 8.7+0.2=
1.54+0.4= 3.6+0.28= 7.4+1.6= 5.3+4.7=
0.9+6.1= 3.48+1.7= 4.6+0.52= 2.7-0.5=
5.6-2.4= 3.58-0.15= 6.34-2.13= 1.3-0.7=
5.2-2.4= 3.58-0.15= 1-0.9= 1.37-0.6=
4.5-0.23= 0.8-0.18= 4425= 1625=
8.8-8.7= 5.5-5.4= 4.1-0.5= 3.7-3.2=
8.2+0.5= 5.3-0.4= 8.8-8.7= 5.5-5.4=
2.7+6.3= &nwww.rixia.ccbsp; 0.58+3.5= 6-2.2= 5.6-2.8=
2512= 6.68-2.1= 6.38+5.62= 3.92-0.9=
0.2510= 1002.003= 6210= 123.5100=
9.025100= 9-2.3-3.7= 43125= 28054=
.025100= 13-2.3-3.7= 42825= 3602.55= 3.7+8.4= 0.58+3.2= 6-3.3= 5.4-2.8=
2516= 6.68-2.5= 6.38+8.62= 3.92-0.2=
0.22510= 1002.03= 6.210= 123100=
3.7+7.3= 0.56+3.4= 6-3.22= 5.4-4.5=
2528= 6.88-2.8= 0.91+0.09= 3.92-0.2=
0.22510= 1002.03= 61.510= 6.5100=
0.005100= 16-5.3-4.7= 42.725= 36055=
7299+72 = 30.5-5.3-1.7= 10299=2125=
63+124+76= 5.4-2.5-1.4= 719+7= 12-6-3.8=
0.025100= 13-2.3-3.7= 42825= 3602.55=
2.3+0.8+0.7= 4.9+1.5+0.5= 1.1+0.4+0.9+6.4=
3.7+4.8+0.2= 5.6+0.4+2.9= 6.1+2.7+0.9=
8.4-0.5-2.5= 2.6-0.3-1.7= 9.4-2.4-0.8=
7.7-4-2.7= 25124= 17154=
895= 25(4+8)= 699+6=
36025= 2719-279= 7200425=
0.3+0.6+0.2= 0.9-(0.3+0.5)= 0.2+0.7-0.4=
0.4-(0.1+0.30= 0.5+0.5-0.1= 2.4-0.3-0.1=
0.7+0.6-0.2= 13-0.5-0.3= 0.7+0.4+0.2=
1.4-0.2-0.3= 0.8+0.7-0.2= 1-(0.3+0.4)=
4+1.2-0.6= 1.5-0.7-0.8= 1.4-0.7-0.7=
1.3-0.3-0.7= 1.2-0.2-0.8= 1.2+0.4+0.8=
4.8+3.5+0.2= 0.4+0.6+3.9= 5.9-0.9-0.1=
5.1+0.9-0.1= 8.2-0.9-0.1= 9.4-0.6-0.4=
0.2+0.4-0.1= 0.7-0.2+0.3= 0.3+0.6-0.5=
0.5-0.4+0.1= 0.4+0.5-0.2= 0.6-0.1-0.5=
0.8+0.7-0.3= 1.3-0.4-0.2= 0.5+0.9-0.3=
0.9-0.2-0.5= 1.4-0.7-0.1= 1.2-0.3-0.7=
0.8+0.6-0.3= 1.3-(0.5+0.2)= 0.7+0.7-0.3=
2.2-0.5-0.7= 3+1.4-0.7= 4.44+1.5+0.6=
6.3+0.5+1.5= 1.9+0.7+0.3+5.1= 5.6-(3.6+0.4)=
0.9+2.2+1.1+0.8= 0.7+6.2+3.3= 2.6+0.7+3.3=
2.7+0.4+1.6= 0.5+1.1+3.5+0.9= 1.8+3.7+0.2=
5.5+0.4+1.5+0.6= 4.7+2.1+0.9= 5.4+0.2+3.8=
8-2.3-1.7= 6-3.5-2.5= 9-3.4-0.6=
4.6-0.9-0.9= 8.4-0.5-0.5= 4-0.3-0.7=
2.5-0.7+0.5= 6.2+4.5-0.2= 7.6-0.8+0.4=
3.9+1.7-0.9= 3.8-0.9+0.2= 3.5+2.9-0.5=
7.3-4.4+0.7= 1.9+2.5-0.9= 4.4-3.9+0.6=
0.8+0.9+0.2= 1.4+(0.5+0.6)= 2.8+(0.4+0.2)=
2.8-(0.8+0.3)= 5.3-(1.3-0.5)= 1.7-(0.7+0.6)=
4.1+(0.9+0.4)=  日夏养花网; 2.7+(0.3+0.8)= 4.5+2.6+2.5=
3.4-1.4-0.6= 3.1-(2.1+0.3)= 6.9-(1.9-0.1)=
5.4+(0.6+1.7)= 4.9+1.1+3.3= 3.2+1.6+0.8=
1.9-(0.9+0.4)= 6.2-3.2-0.8= 3.33100=
0.3+(0.6-0.2)= 0.9-(0.3+0.5)= 0.2+(0.7-0.4)=
0.4-(0.2+0.1)= 0.5+(0.5-0.1)= 2.4-(0.3+0.1)=
0.7+(0.6-0.2)= 1.6-(0.4+0.3)= 0.6-(0.8-0.5)=
1.3-(0.5+0.3)= 1.6-(0.8+0.4)= 1.5-(0.6+0.2)=
0.7+(0.4-0.1)= 1.4-(0.2+0.3)= 0.8-0.7+0.2=
1-(0.3+0.4)= 4+(1.2-0.6)= 3+(1.4-0.7)=
2.2-(0.5+0.7)= 0.7+(0.7-0.3)= 1.3-(0.5+0.2)=
65+370= 5.5+2.81+4.5= 254254=
2.8+580= 5.5+4.52+4.5= 10031003=
6.8+580= 7.5+5.52+2.5= 50-255=
4412-88= 8932+8968= 6.91-3.4+5.09= 12524= 75+360(20-5)= 1880-(59+21)12=
(75+240)(20-5)= 25(40+4)= 64.56-(8.2+4.56)=
(180+120)5= 1.7+0.34+3.3= 75254=
250-2505= 70+5050+70= 72101-72=
23528-3528= = 18.6-3.47-0.53=
5.1+4.68+0.9+1.32= 198+57+102+43=
1.77+3.62-0.62= 3.6+0.18-2.64=
15749+15751= 8.36-2.64-1.37=
355+260+140+245=645-180-245=
460508= 358+356-435=
382101-382= 13.7+0.98+0.02+4.3=
好像不止100道了。。。以后用吧。。。
4.5
2=
6.9
-
2.5=
7.2
0.8=
6
3.4=
0.62
-
0.32=
1.4
0.5=
0.75
100=
0.02
0.5=
3.6
0.3=
6.3
7=
5.6
100=
0.75
0.25=
0.125
8=
4.8
0.3=
0.96
2=
0.56
28=
0.36
0.4=
0.64
0.8=
0.72
3.6=
3.6
24=
0.8
1.1=
7.2+12.8=
46.7
-
3.8=
12.8
4=
5.2
13=
12.5
5=
1.64
41=
10
20=
24
15=
8.65
10=
0.35
0.6=
3.08
0.01=
4.95
1000=
6.9
0.1=
0.4
0.5=
2.4
0.8=
10.8
9=
9.6
0.8=
0.108
2=
4.95
0.9=
9.65
0.1=
0.325
100=
2.5
8=
0. 56
0.7=
0.125
4=
3.28
0.1=
3.9
0.13=
7.2
0.1=
0.01
0.1=
0.25
0.4=
1.6
0.8=
1
2.5=
1.25
0.8=
3.2
0.04=
0
1.7=
0.22
102=
9
0.25
4=
0.25
3.97
4=
(
1.2
+
8.8
)
0.4=
3.4-1.4=
7.82-7.2=
2.19+9.1=
小学五年级全科目课件教案习题汇总
语文数学英语
班级:
姓名:
完成时间:
错(
)道
五年级数学口算练习
10.1-0.89=
0.68+0.42=
8.1-5.1=
0.728-0.24=
0.8+0.18=
0.89-0.25=
1-0.98=
0.048+0.52=
5
400=
19.9+11.1=
187
1000=
1+3.89=
0.081
10=
75
10=
0.96
0.8=
0.8
7=
1.5
7=
1.32
8=
0.7
8=
10.3
2=
5
0.6=
0.9
0.3=
3.5
0.2=
2.01
0=
10
0.05=
0.13
7=
0.21
100=
0.7
4=
0.05
4=
4
0.3=
430-250=
0.17+0.06=
1.02-0.09=
7200
800=
0.17+0.6=
0.83-0.6=
17
300=
0.98-0.09=
0.2+0.78=
600
700=http://www.rixia.cc
10.2+0.02=
0.15+0.7=
670+250=
10.2+0.2=
9.2-6=
8500
500=
3.2-3.2=
3.7+2.3=
25
100=
3.2-0.32=
2+2.8=
380-290=
0.35+0.5=
0.35+0.63=
3500
70=
3.1+3=
3.8+0.38=
7500
250=
3.8+1=
0.95-0.05=
450+780=
3.1+0.3=
3+0.3=
班级:
姓名:
完成时间:
错(
)道
五年级数学口算练习
630
9=
4.5-0.4=
9.5-5=
330
9=
9.53-1.53=
9.5-0.5=
3.5+2.4=
1-0.95=
0.3+0.27=
0.47+0.13=
4.5+4=
4-0.6=
0.95+0.05=
2.5+3.2=
0.74+0.16=
23
100=
9.8-4.8=
480
40=
0.53
100=
5.1+2.3=
125
80=
0.078
10=
0.52+0.4=
70
12=
0.25
100=
3.4-2.8=
0.6-0.37=
0.052
10=
10+0.08=
1-0.75=
0.5
1000=
0.82+0.3=
13.5+6.5=
3.05
100=
1.2-0.8=
21.6-12.6=
63
100=
0.83-0.5=
0.76+0.14=
80
1000=
2.7+0.4=
0.72-0.43=
30
100=
0.92-0.2=
3.5+4.8=
3.5+2.4=
5+0.07=
1-0.61=
0.47+0.23=
0.25+0.75=
3.7+0.33=
0.51+0.33=
1-0.6=
8-4.6=
5.8-3.6=
0.52+0.4=
6.45+5.5=
4.5-1.3=
3.4-2.8=
9.53-1.53=
8.8-6.7=
10+0.08=
9.5-7.3=
班级:
姓名:
完成时间:
错(
)道
五年级数学口算练习
7.2+0.8=
7.82+0.3=
8.8-6.7=
9.5-7.3=
1-0.95=
3.4-2.8=
0.96-0.35=
9.53-1.53=
0.25+0.75=
1.2-0.8=
0.83-0.5=
2.7+0=
12.5
8=
2.3
4=
3.25
0=
0.4
50=
30
0.1=
2.6
3=
4.1
2=
0.35
0.2=
7.5
0.1=
2.5
2=
0.5
10=
0.6
8=
2.8
10=
0.7
0.8=
5.6+0.4=
4.7+2.3=
4.5
2=
7.2
0.8=
6
3.4=
0.62-0.32=
0.75
100=
0.02
0.5=
3.6
0.3=
5.6
100=
0.75
0.25=
0.125
8=
0.86
2=
0.56
28=
0.36
0.4=
0.7
9=
3.6
24=
0.8
1.1=
46.7-3.8=
12.8
4=
5.2
13=
1.64+4.1=
10
20=
24
15=
0.35
0.6=
4.7+2.3=
4.5
2=
6.9
-
2.5=
7.2
0.8=
6
3.4=
0.62
-
0.32=
1.4
0.5=
0.75
100=
0.02
0.5=
3.6
0.3=
6.3
7=
5.6
100=
班级:
姓名:
完成时间:
错(
)道
五年级数学口算练习
0.75
0.25=
0.125
8=
4.8
0.3=
0.96
2=
0.56
28=
0.36
0.4=
0.64
0.8=
0.72
3.6=
3.6
24=
0.8
1.1=
7.2+12.8=
46.7
-
3.8=
12.8
4=
5.2
13=
12.5
5=
1.64
41=
10
20=
24
15=
8.65
10=
0.35
0.6=
3.08
0.01=
4.95
1000=
6.9
0.1=
0.4
0.5=
2.4
0.8=
10.8
9=
9.6
0.8=
0.108
2=
4.95
0.9=
9.65
0.1=
0.325
100=
2.5
8=
0. 56
0.7=
0.125
4=
3.28
0.1=
3.9
0.13=
7.2
0.1=
0.01
0.1=
0.25
0.4=
1.6
0.8=
1
2.5=
1.25
0.8=
3.2
0.04=
0
1.7=
0.22
102=
9
0.25
4=
0.25
3.97
4=
(
1.2
+
8.8
)
0.4=
78
100
=
0
150
=
32
0.4
=
1300
300=
2.6
100
=
150
15
=
32
0.4
=
2600
100
=
32.8
8
=
五年级口算题及答案 (下册) (800道)
1)2.9 0.5 = 答案www.rixia.cc:1.45 (2)5.9 0.2 = 答案:1.18 (3)3.6 7 = 答案:25.2 (4)4.3 0.3 = 答案:1.29 (5)5.9 9 = 答案:53.1 (6)9.4 9 = 答案:84.6 (7)7.5 6 = 答案:45 (8)1.3 3 = 答案:3.9 (9)3.8 7 = 答案:26.6 (10)4.7 5 = 答案:23.5 (11)5.2 7 = 答案:36.4 (12)2.3 2 = 答案:4.6 (13)6.8 7 = 答案:47.6 (14)6.7 0.3 = 答案:2.01 (15)7.5 7 = 答案:52.5 (16)7.1 0.7 = 答案:4.97 (17)6.6 2 = 答案:13.2 (18)3.5 0.2 = 答案:0.7 (19)3.7 0.3 = 答案:1.11 (20)4 0.3 = 答案:1.2 (21)9.2 9 = 答案:82.8 (22)6.1 9 = 答案:54.9 (23)6.8 5 = 答案:34 (24)4.8 4 = 答案:19.2 (25)4.1 2 = 答案:8.2 (26)6.4 0.4 = 答案:2.56 (27)9.6 7 = 答案:67.2 (28)1.9 0.8 = 答案:1.52 (29)4.2 0.3 = 答案:1.26 (30)1.9 0.8 = 答案:1.52 (31)8.7 0.4 = 答案:3.48 (32)2.6 7 = 答案:18.2 (33)2.1 3 = 答案:6.3 (34)1.6 2 = 答案:3.2 (35)5.3 3 = 答案:15.9 (36)8.5 9 = 答案:76.5 (37)6.9 0.7 = 答案:4.83 (38)6.6 0.4 = 答案:2.64 (39)4.3 8 = 答案:34.4 (40)8.2 3 = 答案:24.6 (41)8.4 6 = 答案:50.4 (42)2 6 = 答案:12 (43)8.7 0.3 = 答案:2.61 (44)3.2 0.5 = 答案:1.6 (45)8.5 0.9 = 答案:7.65 (46)7.1 0.7 = 答案:4.97 (47)7.1 6 = 答案:42.6 (48)7.4 0.5 = 答案:3.7 (49)9.6 3 = 答案:28.8 (50)8.4 8 = 答案:67.2 (51)2.5 4 = 答案:10 (52)1.3 3 = 答案:3.9 (53)8 0.4 = 答案:3.2 (54)7.8 9 = 答案:70.2 (55)6 0.5 = 答案:3 (56)7.7 8 = 答案:61.6 (57)9.9 0.7 = 答案:6.93 (58)5.4 2 = 答案:10.8 (59)5.1 2 = 答案:10.2 (60)4.7 3 = 答案:14.1 (61)1.2 0.2 = 答案:0.24 (62)5.3 0.2 = 答案:1.06 (63)2.7 8 = 答案:21.6 (64)2 9 = 答案:18 (65)9.6 9 = 答案:86.4 (66)5.4 3 = 答案:16.2 (67)9.3 3 = 答案:27.9 (68)5.5 0.8 = 答案:4.4 (69)7.4 0.7 = 答案:5.18 (70)3.4 0.6 = 答案:2.04 (71)4.5 0.4 = 答案:1.8 (72)3.8 7 = 答案:26.6 (73)4.7 0.2 = 答案:0.94 (74)1.5 6 = 答案:9 (75)8 0.9 = 答案:7.2 (76)9.2 0.6 = 答案:5.52 (77)2.4 9 = 答案:21.6 (78)1.8 5 = 答案:9 (79)8.9 0.6 = 答案:5.34 (80)3.2 0.8 = 答案:2.56 (81)9.7 9 = 答案:87.3 (82)6 7 = 答案:42 (83)1.6 0.7 = 答案:1.12 (84)6.3 2 = 答案:12.6 (85)7.1 0.8 = 答案:5.68 (86)5.2 7 = 答案:36.4 (87)3.9 0.8 = 答案:3.12 (88)9.9 0.2 = 答案:1.98 (89)2.4 0.4 = 答案:0.96 (90)3.5 5 = 答案:17.5 (91)7.7 3 = 答案:23.1 (92)9.5 0.2 = 答案:1.9 (93)7.8 0.3 = 答案:2.34 (94)3.4 8 = 答案:27.2 (95)1.3 0.6 = 答案:0.78 (96)9 0.5 = 答案:4.5 (97)3.5 0.5 = 答案:1.75 (98)3.4 9 = 答案:30.6 (99)3.4 0.9 = 答案:3.06 (100)6.5 0.5 = 答案:3.25 1)7.4 6 = 答案:44.4 (2)2.3 5 = 答案:11.5 (3)5.1 0.4 = 答案:2.04 (4)9.6 4 = 答案:38.4 (5)5.4 5 = 答案:27 (6)1.5 0.8 = 答案:1.2 (7)9.4 2 = 答案:18.8 (8)1.6 0.8 = 答案:1.28 (9)7.5 0.7 = 答案:5.25 (10)3.7 9 = 答案:33.3 (11)1.8 0.6 = 答案:1.08 (12)3.5 7 = 答案:24.5 (13)9.3 4 = 答案:37.2 (14)2.7 0.7 = 答案:1.89 (15)5.2 7 = 答案:36.4 (16)3.8 0.2 = 答案:0.76 (17)1.2 0.9 = 答案:1.08 (18)6.1 7 = 答案:42.7 (19)3.8 0.7 = 答案:2.66 (20)1.6 5 = 答案:8 (21)5.9 0.3 = 答案:1.77 (22)9 9 = 答案:81 (23)7.1 0.3 = 答案:2.13 (24)9.7 2 = 答案:19.4 (25)5.8 0.8 = 答案:4.64 (26)1.7 6 = 答案:10.2 (27)9.6 0.5 = 答案:4.8 (28)1.8 4 = 答案:7.2 (29)4.3 0.6 = 答案:2.58 (30)1.3 9 = 答案:11.7 (31)2.9 8 = 答案:23.2 (32)5.6 7 = 答案:39.2 (33)5.3 0.6 = 答案:3.18 (34)5.4 0.7 = 答案:3.78 (35)5.3 0.2 = 答案:1.06 (36)8.3 2 = 答案:16.6 (37)9.5 3 = 答案:28.5 (38)7.3 2 = 答案:14.6 (39)2 0.5 = 答案:1 (40)5.2 0.6 = 答案:3.12 (41)9.7 7 = 答案:67.9 (42)6.1 8 = 答案:48.8 (43)6.7 0.2 = 答案:1.34 (44)8.6 6 = 答案:51.6 (45)3.1 0.5 = 答案:1.55 (46)8.2 6 = 答案:49.2 (47)1.5 6 = 答案:9 (48)8.4 2 = 答案:16.8 (49)1.3 6 = 答案:7.8 (50)8.9 0.5 = 答案:4.45 (51)6.7 2 = 答案:13.4 (52)5.4 6 = 答案:32.4 (53)6.3 9 = 答案:56.7 (54)6.4 3 = 答案:19.2 (55)8.5 0.2 = 答案:1.7 (56)1.5 0.5 = 答案:0.75 (57)3 0.4 = 答案:1.2 (58)6.8 5 = 答案:34 (59)8.7 0.3 = 答案:2.61 (60)5.6 6 = 答案:33.6 (61)5.5 0.7 = 答案:3.85 (62)9.6 0.3 = 答案:2.88 (63)9.6 7 = 答案:67.2 (64)8.3 3 = 答案:24.9 (65)9.5 0.5 = 答案:4.75 (66)5.5 9 = 答案:49.5 (67)1.9 9 = 答案:17.1 (68)2.2 7 = 答案:15.4 (69)3.8 0.9 = 答案:3.42 (70)1.8 0.7 = 答案:1.26 (71)4.6 0.2 = 答案:0.92 (72)1.3 0.2 = 答案:0.26 (73)4.3 0.9 = 答案:3.87 (74)1.4 2 = 答案:2.8 (75)7 5 = 答案:35 (76)2.5 7 = 答案:17.5 (77)6.4 0.4 = 答案:2.56 (78)6.3 5 = 答案:31.5 (79)3.1 4 = 答案:12.4 (80)5.8 0.7 = 答案:4.06 (81)1.2 8 = 答案:9.6 (82)6.5 0.5 = 答案:3.25 (83)3.9 0.9 = 答案:3.51 (84)9.3 3 = 答案:27.9 (85)2 2 = 答案:4 (86)3.7 5 = 答案:18.5 (87)1.1 3 = 答案:3.3 (88)6.5 5 = 答案:32.5 (89)2.7 0.8 = 答案:2.16 (90)8.4 8 = 答案:67.2 (91)4.2 0.8 = 答案:3.36 (92)6.9 2 = 答案:13.8 (93)6.6 2 = 答案:13.2 (94)9.5 0.8 = 答案:7.6 (95)6.6 0.7 = 答案:4.62 (96)1.7 0.5 = 答案:0.85 (97)6.9 9 = 答案:62.1 (98)8.4 6 = 答案:50.4 (99)9.4 0.5 = 答案:4.7 (100)8.4 0.5 = 答案:4.2 (1)5.6 8 = 答案:44.8 (2)3.9 5 = 答案:19.5 (3)5.4 0.4 = 答案:2.16 (4)7.3 0.2 = 答案:1.46 (5)9.4 8 = 答案:75.2 (6)3.8 0.3 = 答案:1.14 (7)8.6 0.4 = 答案:3.44 (8)7.3 4 = 答案:29.2 (9)4.8 0.4 = 答案:1.92 (10)1.3 4 = 答案:5.2 (11)7.3 8 = 答案:58.4 (12)8 4 = 答案:32 (13)3.2 6 = 答案:19.2 (14)4.7 0.3 = 答案:1.41 (15)4.6 0.9 = 答案:4.14 (16)9.9 4 = 答案:39.6 (17)8.2 0.5 = 答案:4.1 (18)8.2 0.5 = 答案:4.1 (19)5 0.8 = 答案:4 (20)5.7 9 = 答案:51.3 (21)3.9 5 = 答案:19.5 (22)7.3 2 = 答案:14.6 (23)5.3 3 = 答案:15.9 (24)6.7 0.2 = 答案:1.34 (25)4.3 0.5 = 答案:2.15 (26)4.7 0.4 = 答案:1.88 (27)2.4 5 = 答案:12 (28)7.3 0.3 = 答案:2.19 (29)3.8 0.9 = 答案:3.42 (30)7.3 4 = 答案:29.2 (31)5.1 0.7 = 答案:3.57 (32)9.8 2 = 答案:19.6 (33)8.3 0.7 = 答案:5.81 (34)4.3 0.6 = 答案:2.58 (35)9.5 0.3 = 答案:2.85 (36)9.9 5 = 答案:49.5 (37)3.4 2 = 答案:6.8 (38)2.9 4 = 答案:11.6 (39)1.1 6 = 答案:6.6 (40)2.1 5 = 答案:10.5 (41)9.1 0.8 = 答案:7.28 (42)9.7 0.3 = 答案:2.91 (43)9.6 0.5 = 答案:4.8 (44)5.1 0.6 = 答案:3.06 (45)5.5 8 = 答案:44 (46)9 8 = 答案:72 (47)5 4 = 答案:20 (48)4.1 5 = 答案:20.5 (49)1.4 0.3 = 答案:0.42 (50)2.4 9 = 答案:21.6 (51)5.1 7 = 答案:35.7 (52)7.9 5 = 答案:39.5 (53)4.1 9 = 答案:36.9 (54)1.6 2 = 答案:3.2 (55)6.7 0.8 = 答案:5.36 (56)8.9 0.7 = 答案:6.23 (57)6.2 0.2 = 答案:1.24 (58)2.6 7 = 答案:18.2 (59)6.8 0.6 = 答案:4.08 (60)5.6 9 = 答案:50.4 (61)9.8 0.8 = 答案:7.84 (62)9 9 = 答案:81 (63)3.8 7 = 答案:26.6 (64)2.5 6 = 答案:15 (65)1.7 5 = 答案:8.5 (66)4.6 0.7 = 答案:3.22 (67)8.9 3 = 答案:26.7 (68)7.9 0.6 = 答案:4.74 (69)6.3 4 = 答案:25.2 (70)2.9 0.3 = 答案:0.87 (71)4.6 8 = 答案:36.8 (72)1.5 2 = 答案:3 (73)6.9 0.7 = 答案:4.83 (74)5.8 6 = 答案:34.8 (75)3.4 0.5 = 答案:1.7 (76)1.9 2 = 答案:3.8 (77)8.3 0.4 = 答案:3.32 (78)7.4 6 = 答案:44.4 (79)4.5 3 = 答案:13.5 (80)5.9 4 = 答案:23.6 (81)8.9 0.2 = 答案:1.78 (82)4.9 8 = 答案:39.2 (83)7.5 2 = 答案:15 (84)1.5 7 = 答案:10.5 (85)8.3 0.4 = 答案:3.32 (86)6.1 0.6 = 答案:3.66 (87)3.7 0.5 = 答案:1.85 (88)7.4 0.5 = 答案:3.7 (89)1.3 0.7 = 答案:0.91 (90)3.5 0.7 = 答案:2.45 (91)9.9 0.2 = 答案:1.98 (92)2 7 = 答案:14 (93)4.4 0.8 = 答案:3.52 (94)8.5 4 = 答案:34 (95)9.8 8 = 答案:78.4 (96)9 9 = 答案:81 (97)2.7 8 = 答案:21.6 (98)1.6 0.3 = 答案:0.48 (99)5.7 3 = 答案:17.1 (100)7.5 5 = 答案:37.5 1)4.1 0.7 = 答案:2.87 (2)3.9 5 = 答案:19.5 (3)8.5 2 = 答案:17 (4)7.7 6 = 答案:46.2 (5)4 9 = 答案:36 (6)1.7 2 = 答案:3.4 (7)7.9 6 = 答案:47.4 (8)4.2 0.9 = 答案:3.78 (9)2.6 6 = 答案:15.6 (10)9.9 8 = 答案:79.2 (11)1.7 5 = 答案:8.5 (12)2.4 4 = 答案:9.6 (13)6 0.4 = 答案:2.4 (14)3.9 6 = 答案:23.4 (15)7 0.4 = 答案:2.8 (16)7.6 0.4 = 答案:3.04 (17)3.9 0.7 = 答案:2.73 (18)2.8 0.3 = 答案:0.84 (19)3 9 = 答案:27 (20)8.1 0.3 = 答案:2.43 (21)3.3 8 = 答案:26.4 (22)8.1 0.7 = 答案:5.67 (23)2.2 3 = 答案:6.6 (24)3 6 = 答案:18 (25)3.2 5 = 答案:16 (26)4.3 7 = 答案:30.1 (27)6.7 5 = 答案:33.5 (28)2.7 0.7 = 答案:1.89 (29)1.4 0.9 = 答案:1.26 (30)1.6 9 = 答案:14.4 (31)8 0.8 = 答案:6.4 (32)5.9 2 = 答案:11.8 (33)3.6 9 = 答案:32.4 (34)1.4 0.6 = 答案:0.84 (35)8.3 0.2 = 答案:1.66 (36)7 9 = 答案:63 (37)8.7 8 = 答案:69.6 (38)2.9 3 = 答案:8.7 (39)6.7 0.2 = 答案:1.34 (40)1.6 0.8 = 答案:1.28 (41)9.6 2 = 答案:19.2 (42)5.4 5 = 答案:27 (43)5.8 0.7 = 答案:4.06 (44)3.7 0.2 = 答案:0.74 (45)8.7 0.6 = 答案:5.22 (46)2.1 0.4 = 答案:0.84 (47)1.6 5 = 答案:8 (48)4.6 3 = 答案:13.8 (49)9.5 0.6 = 答案:5.7 (50)5.6 9 = 答案:50.4 (51)5.9 0.3 = 答案:1.77 (52)9 2 = 答案:18 (53)9 4 = 答案:36 (54)4.5 3 = 答案:13.5 (55)4.4 6 = 答案:26.4 (56)5.5 4 = 答案:22 (57)8.6 6 = 答案:51.6 (58)6.6 0.2 = 答案:1.32 (59)8.7 0.6 = 答案:5.22 (60)2.4 0.6 = 答案:1.44 (61)2.1 0.2 = 答案:0.42 (62)4.4 0.8 = 答案:3.52 (63)7.1 9 = 答案:63.9 (64)3.8 3 = 答案:11.4 (65)8.9 7 = 答案:62.3 (66)7.1 0.2 = 答案:1.42 (67)3.9 0.5 = 答案:1.95 (68)1.6 0.7 = 答案:1.12 (69)3.9 0.9 = 答案:3.51 (70)7.7 2 = 答案:15.4 (71)7 0.7 = 答案:4.9 (72)8.3 4 = 答案:33.2 (73)5.1 0.2 = 答案:1.02 (74)9.2 0.8 = 答案:7.36 (75)1.3 6 = 答案:7.8 (76)6.8 7 = 答案:47.6 (77)2.2 3 = 答案:6.6 (78)3.2 8 = 答案:25.6 (79)6.8 0.2 = 答案:1.36 (80)4.7 0.2 = 答案:0.94 (81)6.7 9 = 答案:60.3 (82)9.9 7 = 答案:69.3 (83)3.3 0.2 = 答案:0.66 (84)2.3 3 = 答案:6.9 (85)8.3 0.5 = 答案:4.15 (86)8.5 0.2 = 答案:1.7 (87)1.7 0.7 = 答案:1.19 (88)9 0.6 = 答案:5.4 (89)9.9 5 = 答案:49.5 (90)7.4 0.3 = 答案:2.22 (91)7.7 2 = 答案:15.4 (92)9.9 0.4 = 答案:3.96 (93)5 0.2 = 答案:1 (94)8.5 5 = 答案:42.5 (95)9.1 9 = 答案:81.9 (96)5.6 0.5 = 答案:2.8 (97)5 8 = 答案:40 (98)3.1 0.4 = 答案:1.24 (99)6.8 8 = 答案:54.4 (100)1.9 0.2 = 答案:0.38
4/14+8/14=6/7
7/10+2/10=9/10
2/38/16=3/4
5/8X4=5/2
注:代表分号,/代表除号,21表示二分之一,5+41=5 41表示5又4/1(带分数)*为乘号
与整数运算中的“凑整法”相同,在分数运算中,充分利用四则运算法则和运算律(如交换律、结合律、分配律),使部分的和、差、积、商成为整数、整十数...从而使运算得到简化。
注意事项
①分母一定不能为0,因为分母相当于除数。否则等式无法成立,分子可以等于0,因为分子相当于被除数。相当于0除以任何一个数,不论分母是多少,答案都是0。
②分数中的分子或分母经过约分后不能出现无理数(如2的平方根),否则就不是分数。
③一个最简分数的分母中只有2和5两个质因数就能化成有限小数;如果最简分数的分母中只含有2和5以外的质因数那么就能化成纯循环小数;如果最简分数的分母中既含有2或5两个质因数也含有2和5以外的质因数那么就能化成混循环小数。
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