Решите х:20=40x3 210:x=420:6

Question

Решите х:20=40x3 210:x=420:6

Answer 1

Х : 20 = 40 Х 3
х=40 Х 3 = 120
х=120 Х 20 = 2400
2400: 20 =40 Х 3

210 : х = 420 : 6
х=420 :6 = 70
х =210 : 70 = 3
210 : 3 = 420 :6