计算题:(1)(-12)÷4×(-6)÷2(2)(-58)×(-4)2-0.25×(-5)×(-4)3(3)(-112)-114+(-212)-(-334)-(-114)(4)(-3)3÷214×(-

题目简介

计算题:(1)(-12)÷4×(-6)÷2(2)(-58)×(-4)2-0.25×(-5)×(-4)3(3)(-112)-114+(-212)-(-334)-(-114)(4)(-3)3÷214×(-

题目详情

计算题:
(1)(-12)÷4×(-6)÷2
(2)(-
5
8
)×(-4)2-0.25×(-5)×(-4)3

(3)(-1
1
2
)-1
1
4
+(-2
1
2
)-(-3
3
4
)-(-1
1
4
)

(4)(-3)3÷2
1
4
×(-
2
3
)2+4-22×(-
1
3
)
题型:解答题难度:中档来源:不详

答案

(1)(-12)÷4×(-6)÷2=(-12)×class="stub"1
4
×(-6)×class="stub"1
2
=9.
(2)(-class="stub"5
8
)×(-4)2-0.25×(-5)×(-4)3

=-class="stub"5
8
×16-0.25×(-4)×(-5)×(-4)2=-10-80=-90

(3)(-1class="stub"1
2
)-1class="stub"1
4
+(-2class="stub"1
2
)-(-3class="stub"3
4
)-(-1class="stub"1
4
)

=-1class="stub"1
2
-1class="stub"1
4
-2class="stub"1
2
+3class="stub"3
4
+1class="stub"1
4

=(-1class="stub"1
4
+1class="stub"1
4
)+(-1class="stub"1
2
-2class="stub"1
2
)+3class="stub"3
4
=0-4+3class="stub"3
4
=-class="stub"1
4


(4)(-3)3÷2class="stub"1
4
×(-class="stub"2
3
)2+4-22×(-class="stub"1
3
)

=-27×class="stub"4
9
×class="stub"4
9
+4-4×(-class="stub"1
3
)

=-class="stub"16
3
+4+class="stub"4
3
=0

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