Question

please answer ..................​

Answer 1

3.75÷3-(0.2×5.6) +13/20=(1+?) 1/2

1.25-1.12+13/20=(1+?) 1/2

0.13+0.65=(1+?) 1/2

0.78=(1+?) 1/2

0.78×2=(1+?)

1.56=(1+?)

1.56-1=?

0.56=?