Question

решить уравнение. 7200 : Х = 800, Х × 700 = 42000, 60 × Х = 5 400

Answer 1

7200:х=800
х=7200:800
х=9
х*700=42000
х=42000:700
х=60
60*х=5400
х=5400:60
х=90

Answer 2

1)х=7200:800
х=9
2)х=42000:700
х=60
3)х=5400:60
х=90