Предмет: Математика, автор: soniabelynkina

упростите выражение 147+23x+39x и найдите его значение при x=3 и при x=10

Ответы

Автор ответа: YulduzYasmina

0

147+23x+39x=147+x(23+39)=147+3(23+39)=147+3×72=147+216=363
147+x(23+39)=147+10(23+39)=147+10×72=147+720=867

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