Автор - anna260283

Реши уравнения 1}×:20=40*3
2}210:×=420:6

Ответ

Автор - OPetroW
1) x : 20 = 40 * 3
x : 20 = 120
x = 120 * 20
x = 2400

2) 210 : x = 420 : 6
210 : x = 70
x = 210 : 70
x = 3

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