Question

大家帮忙算算

Answer 1

3/5×40%=3/5×2/5=6/25

追答

720÷40%=720÷0,4=1800

36÷30%=36÷0,3=120

3/8÷37,5%=3/8÷0,375=1

5/3÷20%=5/3÷1/5=25/3

4/7÷80%=4/7÷0,8=5/7

18×2/3×1/2=18×1/3=6

52÷1/3×4/3=52×3×4/3=208

7,5×1/5÷1/2=1,5×2=3

4,5×1/2×1/3=9/2×1/6=9/12

4/5÷2/3=4/5×3/2=6/5

15×5/3=25
21÷3/7=49
46×3/23=6

1/7÷3/14-5/8
=1/7×14/3-5/8
=2/3-5/8
=16/24-15/24
=1/24

追问

谢谢了

追答

1/3+3÷9/10
=1/3+3×10/9
=1/3+10/3
=11/3
=3又2/3
1-8/9÷5/6×3/16
=1-8/9×6/5×3/16
=1-16/15×3/16
=1-1/5
=4/5

Answer 2

哪题？

追问

第一题

追答

几小题