Предмет: Математика, автор: JonhCena

Реши уравнения
(x+18)x(это умножить)20=1700
(32190 - x):251=86

Ответы

Автор ответа: rusnc
0
(x+18)·20=1700
20х+360=1700
20х=1700-360
20х=1340
х=1340:20=67

(32190 - x):251=86
32190-х=86·251
-х=21586-32190
х=32190-21586=10604
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