Решите уравнение:1) (5х + 2х) ×14=294 ; 2) (12у -5у) : 4= 21; 3) (19х+ 6х): 35= 5; 4) 234: (21у - 8у) =3.. Created by govnovich08. matematika-ru

Решите уравнение:1) (5х + 2х) ×14=294 ; 2) (12у -5у) : 4= 21; 3) (19х+ 6х): 35= ...

July 2022 1 1 Report

Решите уравнение:1) (5х + 2х) ×14=294 ; 2) (12у -5у) : 4= 21; 3) (19х+ 6х): 35= 5; 4) 234: (21у - 8у) =3.

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lakhtina 1)х(5+2)*14=249 3)х(19+6):35=5 4)234:у(21-8)=3
х*7*14=249 х*25:35=5 234:у*13=3
х=249:7:14 х=5:25*35 у=3*234:13
х=3 х=5\25*35\1 у=54
х=5\5*7\1
2)у(12-5):4=21 х=35\5
у*7:4=21 х=7
у=21:7*4
у=12
наверно так)

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