Question

Помогите решить задачу!!!!!!!!!

Answer 1

Х= 60/3=20

х=60/20=3

х=80/40=2

Answer 2

Х*3=60

х=60/3

х=20

Пров.: 20*3=60

60/х=20

х=60/20

х=3

Пр.: 60/3=20

80 / х = 40

х = 80 / 40

х = 2

Пр.: 80 / 2 = 40