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计算:(1)(-3)+(-4)-(+11)-(-9)(2)(−13)×3÷3×(−13)(3)-32×2-3×(-2)2(4)−14−(−512)×411+(−2)3÷|−32+1|.
题目详情
计算:
(1)(-3)+(-4)-(+11)-(-9)
(2)(−
)×3÷3×(−
)
(3)-32×2-3×(-2)2
(4)−14−(−5
)×
+(−2)3÷|−32+1|.
(1)(-3)+(-4)-(+11)-(-9)
(2)(−
1 |
3 |
1 |
3 |
(3)-32×2-3×(-2)2
(4)−14−(−5
1 |
2 |
4 |
11 |
▼优质解答
答案和解析
(1)(-3)+(-4)-(+11)-(-9)
=-3-4-11+9
=-18+9
=-9;
(2)(−
)×3÷3×(−
)
=
×3×
×
=
;
(3)-32×2-3×(-2)2
=-9×2-3×4
=-18-12
=-30;
(4)−14−(−5
)×
+(−2)3÷|−32+1|
=-1+2-8÷|-9+1|
=-1+2-8÷8
=-1+2-1
=0.
=-3-4-11+9
=-18+9
=-9;
(2)(−
1 |
3 |
1 |
3 |
=
1 |
3 |
1 |
3 |
1 |
3 |
=
1 |
9 |
(3)-32×2-3×(-2)2
=-9×2-3×4
=-18-12
=-30;
(4)−14−(−5
1 |
2 |
4 |
11 |
=-1+2-8÷|-9+1|
=-1+2-8÷8
=-1+2-1
=0.
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