3)(13*(-5))*20= 4)(-9*15)*(-2)=

0 голосов
54 просмотров

3)(13*(-5))*20=
4)(-9*15)*(-2)=


Математика (205 баллов) | 54 просмотров
Дан 1 ответ
0 голосов
3)(13*(-5))*20=-65*20=-1300
4)(-9*15)*(-2)=-135*(-2)=270
(10.6k баллов)
0

спасибо большое!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!