Предмет: Математика, автор: MaksSkvil

-3+(-12)=
14+(-20)=
-21+40=
Обчислить ??

Ответы

Автор ответа: omskaya2000
1

Пошаговое объяснение:

1) -3+ (-12) = -15

2) 14+ (-20)= -6

3) -21+40= 19

Автор ответа: gadayevarano
0

Ответ:

1) -3+(-12)=15

2) 14+(-20)=-6

3) -21+40=19

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