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akzer2006
@akzer2006
July 2022
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как решить уравнение 7×x+(1270-30)÷4=499
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vmaluga2011
Verified answer
7*х+(1270-30):4=499
7х+1240:4=499
7х+310=499
7х=499-310
7х=189
х=189:7
х=27
проверка
7*27+(1270-30):4=499
189+1240:4=499
189+310=499
499=499
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akzer2006
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Answers & Comments
Verified answer
7*х+(1270-30):4=4997х+1240:4=499
7х+310=499
7х=499-310
7х=189
х=189:7
х=27
проверка
7*27+(1270-30):4=499
189+1240:4=499
189+310=499
499=499