题目
题型:解答题难度:一般来源:不详
(1)(-
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(2)-32-(-2-3)2÷(-1-
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答案
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=-
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=-
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(2)原式=-9-(-5)2÷(-
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=-9+25×
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=-9+30=21.
核心考点
举一反三
(1)|-1.3|+[5.7×|-
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(2)(-13)+(+12)+(-7)+(+38);
(3)(-3
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(4)(+163)-[(+63)+(-259)+(-41)].
(1)(-125)×32×(-1)3×(-0.25);
(2)71
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(3)62×(
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9 |
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(1)0-(-9)
(2)-3-4+19-11+2
(3)|-2|-(-2.5)-|1-4|
(4)-
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(5)(-36)×(
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(6)-14-[3-(-2)3]÷6