题目
题型:单选题难度:简单来源:不详
A.10 | B.-10 | C.6 | D.-6 |
答案
则-2×3=-6.
故选D.
核心考点
举一反三
(2)3-(-1)+2×(-
1 |
2 |
(3)(-24)×(
1 |
12 |
1 |
6 |
3 |
8 |
(4)99.9×(-3)(用简便方法计算)
(1)(-18)÷2
1 |
4 |
4 |
9 |
(2)4+3×(-2)3+33;
(3)30÷(
1 |
5 |
1 |
6 |
A.10 | B.-10 | C.6 | D.-6 |
1 |
2 |
1 |
12 |
1 |
6 |
3 |
8 |
1 |
4 |
4 |
9 |
1 |
5 |
1 |
6 |