Question

直接写得数1-20%= 0.5+0.75= 1 4 ÷4= 2 3 × 3 4 = 1 3 - 1 4 = 0.1÷0.

Answer 1

1-20%=0.8 0.5+0.75=1.25

1

4 ÷4=

1

16

2

3 ×

3

4 =

1

2

1

3 -

1

4 =

1

12 0.1÷0.01=10