(1)-32÷[-12+(-134)](2)(113+18-2.75)×(-24)+(-1)2009-|-2|3(3)-36×(14-19-112)÷(-2)-数学

题目简介

(1)-32÷[-12+(-134)](2)(113+18-2.75)×(-24)+(-1)2009-|-2|3(3)-36×(14-19-112)÷(-2)-数学

题目详情

(1)-32÷[-
1
2
+(-1
3
4
)]
(2)(1
1
3
+
1
8
-2.75)×(-24)+(-1)2009-|-2|3
(3)-36×(
1
4
-
1
9
-
1
12
)÷(-2)
题型:解答题难度:中档来源:不详

答案

(1)原式=-9÷(-class="stub"9
4

=9×class="stub"4
9

=4;

(2)原式=class="stub"4
3
×(-24)+class="stub"1
8
×(-24)-2.75×(-24)-1-23
=-32-3+66-1-8
=22;

(3)原式=[(-36)×class="stub"1
4
-(-36)×class="stub"1
9
-(-36)×class="stub"1
12
]÷(-2)
=[-9+4+3]÷(-2)
=(-2)÷(-2)
=1.

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