Question

помогите пж 468пжпжпжпжпж

Answer 1

1) а+b=0.35-0.35=0

2) а+b= 3 1/7- 3 1/7=0

3) а+b= 96-18=78

4) a+b= -81.7+6= -75.7

5) а+b= -46.8+51= 4.2