Предмет: Математика, автор: chernovasonya

упростите выражение и найдите его значение; 31а+48а+127.при а=4,10

Ответы

Автор ответа: maxim9406
0
31а+48а+127 
79а+127, при а = 4
79×4+127=443
79а+127, при а = 10
79×10+127=917
Автор ответа: zadaci04
0
31а+48а+127. при а = 4. то,

31*4+48*4+127=124+192+127=316+127=443

при а = 10 то,

31*10+48*10+127=310+480+127=790+127=917
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