Предмет: Математика, автор: durkinahataeia

(700:х+20):4=40 реши уровнения

Ответы

Автор ответа: sosorik

1

(700:х+20)=40х4
(700:х+20)=160
700:х=160-20
700:х=140
Х=700:140
Х=5

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