40∙х = 12∙6 Х =
Х = 1,8
Ответ: 1,8
Х : 8 = 10 : 4
4 ∙ х = 8 ∙ 10
Х =
Х = 20
Ответ: 201,8 ∙ у = 5,4 ∙ 4,8
у =
у = 14,4
Ответ: 14,4

надо срочно
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