计算下列各题(1)-1.5+1.4-(-3.6)-4.3+(-5.2)(2)(-37)×0.125×(-213)×(-8)(3)(-48)÷74÷(-12)×74(4)5÷[12-(-1+23)]×4

题目简介

计算下列各题(1)-1.5+1.4-(-3.6)-4.3+(-5.2)(2)(-37)×0.125×(-213)×(-8)(3)(-48)÷74÷(-12)×74(4)5÷[12-(-1+23)]×4

题目详情

计算下列各题
(1)-1.5+1.4-(-3.6)-4.3+(-5.2)
(2)(-
3
7
)×0.125×(-2
1
3
)×(-8)

(3)(-48)÷
7
4
÷(-12)×
7
4

(4)5÷[
1
2
-(-1+
2
3
)]×4.
题型:解答题难度:中档来源:不详

答案

(1)-1.5+1.4-(-3.6)-4.3+(-5.2)
=(-1.5-4.3-5.2)+(1.4+3.6)
=-11+5
=-6;

(2)(-class="stub"3
7
)×0.125×(-2class="stub"1
3
)×(-8)

=-(class="stub"3
7
×class="stub"7
3
)×(0.125×8)
=-1×1
=-1;

(3)(-48)÷class="stub"7
4
÷(-12)×class="stub"7
4

=(48×class="stub"1
12
)×(class="stub"4
7
×class="stub"7
4

=4×1
=4;

(4)5÷[class="stub"1
2
-(-1+class="stub"2
3
)]×4
=5÷[class="stub"1
2
+class="stub"1
3
]×4
=5÷class="stub"5
6
×4
=6×4
=24.

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