Question

раскрой скобки
1. 5*(a+7)=
2. 10(x-25)=
3. (28+a)*5=
4. 5(2y+4)=
5. 12(x-8a)=






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Answer 1

Ответ:

$5(a + 7) = 5a + 35 \\ 10(x - 25) = 10x - 250 \\ (28 + a)5 = 140 + 5a \\ 5(2y + 4) = 10y + 20 \\ 12(x - 8a) = 12x - 96a$