Автор - turgambekahmoldaev

5.178 есеп 7-сынып пж​

Ответ

Автор - karim1996id

Ответ:

150=100%

х=20%

100х=150×20

х=3000:100

х=30

250=100%

х=20%

100х=250×20

х=5000:100

х=50

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