Question

数学题。。。。教教我！我要复习，但是不会，还没学。。

6/7÷2 15÷3/5 1/6÷6 11/12×12/11 1÷17/20 21×2/3 16÷1/2 0.5+1/4
5/8-0.125 3.8÷1/5×0.2
就这么多，谢谢了！~~

Answer 1

6/7÷2 =3/7
15÷3/5=25
1/6÷6=1/36
11/12×12/11 =1
1÷17/20=20/17
21×2/3=14
16÷1/2=32
0.5+1/4=3/4

5/8-0.125=1/2
3.8÷1/5×0.2=3.8

追问

3Q啦！！！！

Answer 2

6/7÷2 =6／7×﹙1／2﹚=3／7
15÷3/5 =15×﹙5／3﹚=25
1/6÷6 =1／6×﹙1／6﹚=1／36
11/12×12/11 =1
1÷17/20 =20／17
21×2/3 =14
16÷1/2 =32
0.5+1/4=0.75
5/8-0.125 =1／2
3.8÷1/5×0.2
=1.9×0.2
=0.38

追问

非常感谢

Answer 3

6/7/2=6/7*1/2=3/7 15/3/5=15*5/3=25 11/12*12/11=1 1/17/20=1*20/17=20/17
21*2/3=14 16/1/2=16*2=32 0.5+1/4=0.5+0.25=0.75 5/8-0.125=5/8-1/8=4/8=1/2
3.8/1/5*0.2=3.8/1/5*1/5=3.8*5*1/5=3.8

追问

谢谢！

Answer 4

3/7 25 1/36 1 20/17 14 32 0.75 0.5 12/5