Реши уравнения 3/8=48:х 12/13=60/m 2/3=x/12 7/8=56/y

Question

Реши уравнения 3/8=48:х 12/13=60/m 2/3=x/12 7/8=56/y

Answer 1

3/8=48/х
3х=48*8
х=48*8/3
х=128_____________
12/13=60/m
m=13*60/12
m=65___________
2/3=х/12
х=2*12/3
х=8__________
7/8=56/у
у=8*56/7
у=64