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计算(1)|−312+(−158)|−|−234+78|(2)2×(−3)2−26÷(−12)(3)(-1)10×3+8÷(-4)(4)-42+(-7+5)2×(-1)4(5)[55-(79−1112+16)×(-6)2]÷(-3)3.
题目详情
计算
(1)|−3
+(−1
)|−|−2
+
|
(2)2×(−3)2−26÷(−
)
(3)(-1)10×3+8÷(-4)
(4)-42+(-7+5)2×(-1)4
(5)[55-(
−
+
)×(-6)2]÷(-3)3.
(1)|−3
1 |
2 |
5 |
8 |
3 |
4 |
7 |
8 |
(2)2×(−3)2−26÷(−
1 |
2 |
(3)(-1)10×3+8÷(-4)
(4)-42+(-7+5)2×(-1)4
(5)[55-(
7 |
9 |
11 |
12 |
1 |
6 |
▼优质解答
答案和解析
(1)原式=|-5
|-|-1
|
=5
-1
=3
;
(2)原式=2×9-26×(-2)
=18+52
=70;
(3)原式=3-2
=1;
(4)原式=-16+4×1
=-16+4
=-12;
(5)原式=(55-28+33-6)÷(-27)
=54÷(-27)
=-2.
1 |
8 |
7 |
8 |
=5
1 |
8 |
7 |
8 |
=3
1 |
4 |
(2)原式=2×9-26×(-2)
=18+52
=70;
(3)原式=3-2
=1;
(4)原式=-16+4×1
=-16+4
=-12;
(5)原式=(55-28+33-6)÷(-27)
=54÷(-27)
=-2.
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