Реши уравнения и сделай проверку.1)120:х=400-340 2)х:8=5*16Сделайте пожалуйста!. Created by lucas0007. matematika-ru

Реши уравнения и сделай проверку.1)120:х=400-340 ...

dina214

Verified answer

1) 120:х=400-340
    х=120:(400-340)
   х=120:60
   х=2
120:2=60      400-340=60   60=60

2)х:8=5*16
  х:8=80
  х=80*8
  х=640
640:8=80 5*16=80      80-=80

22 votes Thanks 50

opasd

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1)120:х=400-340
120:х=60
х=120:60=12:6
х=2

120:2=400-340
60=60

2)х:8=5*16
х:8=80
х=8*80
х=640

640:8=5*16
80=80

11 votes Thanks 26

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