题目
题型:解答题难度:一般来源:不详
(1)-
2 |
3 |
4 |
5 |
1 |
5 |
1 |
3 |
(2)8×(-
3 |
4 |
(3)-14-2×(-3)2÷6
(4)5+18÷(
3 |
2 |
4 |
3 |
(5)-9÷3+(
1 |
2 |
2 |
3 |
(6)-42×[(1-7)÷6]3+[(-5)3-3]÷(-2)2.
答案
2 |
3 |
4 |
5 |
1 |
5 |
1 |
3 |
=[(-
2 |
3 |
1 |
3 |
4 |
5 |
1 |
5 |
=(-1)+1
=0;
(2)8×(-
3 |
4 |
=8×
3 |
4 |
=24-2
=22;
(3)-14-2×(-3)2÷6
=-1-2×9÷6
=-1-18÷6
=-1-3
=-4;
(4)5+18÷(
3 |
2 |
4 |
3 |
=5+18÷
9 |
4 |
4 |
3 |
=5+18×
4 |
9 |
4 |
3 |
=5+(-
32 |
3 |
=5+(-
38 |
3 |
=-7
2 |
3 |
(5)-9÷3+(
1 |
2 |
2 |
3 |
=-3+
1 |
2 |
2 |
3 |
=-3+6-8+9
=(-3)+(-8)+(6+9)
=-11+15
=4;
(6)-42×[(1-7)÷6]3+[(-5)3-3]÷(-2)2
=-16×[-6÷6]3+(-125-3)÷4
=-16×(-1)+(-128)÷4
=16+(-32)
=-(32-16)
=-16.
核心考点
试题【计算:(1)-23+45-(-15)-13(2)8×(-34)×(-4)-2(3)-14-2×(-3)2÷6(4)5+18÷(32)2×(-43)-|-2|(5】;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