题目
题型:解答题难度:一般来源:不详
(1)(-4)-(+13)+(-5)-(-9)
(2)(+
3 |
2 |
5 |
12 |
5 |
2 |
7 |
12 |
(3)(
1 |
4 |
1 |
6 |
1 |
9 |
(4)-32×(-2)+42÷(-2)3.
答案
( 2)原式=
3 |
2 |
5 |
2 |
5 |
12 |
7 |
12 |
3 |
2 |
5 |
2 |
5 |
12 |
7 |
12 |
(3)原式=
1 |
4 |
1 |
6 |
1 |
9 |
(4)原式=-9×(-2)+16÷(-8)=18-2=16.
核心考点
举一反三
(1)(-3)+(-4)-(+11)-(-9);
(2)3+50÷22×(-
1 |
5 |
(3)(
3 |
4 |
7 |
6 |
3 |
5 |
2 |
3 |
(4)-14+〔1-(1-0.5×
1 |
3 |
(1)-3-(-5)+(-2)
(2)(-81)÷
9 |
4 |
4 |
9 |
(3)-24×(-
1 |
2 |
3 |
4 |
1 |
3 |
(4)-14-
1 |
6 |
①22×5÷(-4)
②(-2)3-(-4)×(-3)
③(-4)2÷42+3×(-6)