题目
题型:解答题难度:一般来源:不详
(1)12+(-8)+11+(-2)+(-12);
(2)
1 |
18 |
2 |
3 |
1 |
6 |
1 |
2 |
(3)(-1)3×(-5)÷[-32+(-2)2].
答案
=4+11-2-12
=15-2-12
=13-12
=1;
(2)原式=
1 |
18 |
1 |
3 |
=
1 |
18 |
=
1 |
6 |
(3)原式=(-1)3×(-5)÷[-9+4]
=(-1)×(-5)×(-
1 |
5 |
=5×(-
1 |
5 |
=-1.
核心考点
试题【计算(1)12+(-8)+11+(-2)+(-12);(2)118÷(23+16-12);(3)(-1)3×(-5)÷[-32+(-2)2].】;主要考察你对有理数的混合运算等知识点的理解。[详细]
举一反三
A.100÷
| B.100÷
| ||||||
C.100÷
| D.100÷
|
(1)(-7)-9-(-3)+(-5);
(2)(-
1 |
3 |
2 |
5 |
3 |
5 |
2 |
3 |
(3)-24×(-
1 |
2 |
3 |
4 |
1 |
3 |
(4)(-2)÷
1 |
3 |
(5)-14+8÷(-2)2-(-4)×(-3);
(6)-19
8 |
9 |