Question

решите примеры
6.25х3.4
24.11000
728
7.313.4

6.4(у-12.8)=3.2
5х-х=1.44

Answer 1

1) 6.25х3.4=21.25
3) 24.11000=0.0241
4) 7/28=1/4=0.25
5) 7.313.4=2.15
6)  6.4y-81.92=3.2
6.4y=3.2+81.92
6.4y=85.12
y=85.12/6.4=13.3
7) 5x-x=1.44
4x=1.44
x=1.44/4=0.36