Предмет: Математика, автор: alexanderyskov

300-540:(24-x)=210 решите уравнение

Ответы

Автор ответа: milan175

300-540:(24-х)=210
540:(24-х)=300-210
540:(24-х)=90
24-х=540:90
24-х=6
х=24-6
х=18
_________________
300-540:(24-18)=210
      300-540:6=210
   300-90=210
   210=210

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