Предмет: Математика, автор: AnNoChKa2

Упростите Выражения:
1) -15+х+7
2)а+(-27)+48
3)у+43+(-36)
4)5,6+(-4,7)-с

Ответы

Автор ответа: coolpandaRF
0
1) -15+х+7 = -(15-7)+x = -8+x
2) а+(-27)+48 = (48-27)+a = 21+a
3) у+43+(-36) = (43-36)+y = 7+y
4) 5,6+(-4,7)-с = (5,6-4,7)-c = 0,9-c
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