Question

Реши уравнение

720:х=20
350:х=50
х*30=150

Answer 1

720 : x = 20
X = 720 : 20
X = 36
----------
350 : x = 50
X = 350 : 50
X = 7
-----------
X • 30 = 150
X = 150 : 30
X = 5