Question

решите уравнения 4* 25*х=800 у*5*20=500 21*8*р=168. m*3*33=990

Answer 1

1)25x=800:4
25x=200
x=200:25
x=8
2)20y=500:5
20y=100
y=100:20
y=5
3)8p=168:21
8p=8
p=8:8
p=1
4) 3m=990:33
3m=30
m=30:3
m=10