реши уравнения. 32:b=64:8; y:4=49:7; 380-b=330-175; m+32=185-143;

1) 32:b = 8

b = 32*8

b = 256

2) y:4 = 7

y = 7*4

y = 28

3) 380-b = 155

b = 380+155

b = 535

4) m+32 = 42

m = 42-32

m = 10