
计算:(1)-40-(-19)+(-24)(2)(-5)×(-8)-(-28)÷4(3)(12+56?712)×12(4)-32×(-2)+4
计算:(1)-40-(-19)+(-24)(2)(-5)×(-8)-(-28)÷4(3)(12+56?712)×12(4)-32×(-2)+42÷(-2)3....
计算:(1)-40-(-19)+(-24)(2)(-5)×(-8)-(-28)÷4(3)(12+56?712)×12(4)-32×(-2)+42÷(-2)3.
展开
展开全部
(1)原式=-40+19-24
=-21-24
=-45;
(2)原式=40+7
=47;
(3)原式=
×12+
×12-
×12
=6+10-7
=16-7
=9;
(4)原式=-9×(-2)+16÷(-8)
=18-2
=16.
=-21-24
=-45;
(2)原式=40+7
=47;
(3)原式=
1 |
2 |
5 |
6 |
7 |
12 |
=6+10-7
=16-7
=9;
(4)原式=-9×(-2)+16÷(-8)
=18-2
=16.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询