计算(1)0.5+(-14)-2.75+(-12)(2)10÷[12-(-1+113)]×6(3)-32÷(-3)2+3×(-2)+|-4|(4)-13-(1-0.5)×13×[3-(-3)2](5)

题目简介

计算(1)0.5+(-14)-2.75+(-12)(2)10÷[12-(-1+113)]×6(3)-32÷(-3)2+3×(-2)+|-4|(4)-13-(1-0.5)×13×[3-(-3)2](5)

题目详情

计算
(1)0.5+(-
1
4
)-2.75+(-
1
2

(2)10÷[
1
2
-(-1+1
1
3
)]×6
(3)-32÷(-3)2+3×(-2)+|-4|
(4)-13-(1-0.5)×
1
3
×
[3-(-3)2]
(5)-7×(-
22
7
)+19×(-
22
7
)-5×(-
22
7

(6)-99
16
17
×34.
题型:解答题难度:中档来源:不详

答案

(1)原式=0.5-class="stub"1
4
-2.75-class="stub"1
2

=0.5-class="stub"1
2
-class="stub"1
4
-2.75
=0-3
=-3;

(2)原式=10÷[class="stub"1
2
-class="stub"1
3
)×6
=10×6×6
=360;

(3)原式=-9÷9-6+4
=-1-6+4
=-7+4
=-3;

(4)原式=-1-class="stub"1
2
×class="stub"1
3
×
[3-9]
=1-class="stub"1
2
×class="stub"1
3
×(-6)
=1+1
=2;

(5)原式=(-7+19-5)×(-class="stub"22
7

=7×(-class="stub"22
7

=-22;

(6)(-100+class="stub"1
17
)×34
=-100×34+class="stub"1
17
×34
=-3400+2
=-3398.

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