Предмет: Математика, автор: yana03138

Раскройте скобки (-m+n), a-(b-c), (y+0,08)×0,4 , 1/5×(k-1/2), -3n(0,04-2m)
Даю вам 40 баллов

Ответы

Автор ответа: МК2005
0
(y+0.08)*0.4=4y+ 0.08* 4=4y+0.32
1/5*(k-1/2)=0.2*(k-0.5)= 0.2k-0.1
-3n* (0.4-2m)=-3n*0.4-3n*(-2m)=-1.2n+6m n
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