计算(1)(-1.5)+12-(-35)-0.2;(2)214×(-67)÷(12-2);(3)-32-[-5+(1-0.6×35)÷(-3)2].-数学

题目简介

计算(1)(-1.5)+12-(-35)-0.2;(2)214×(-67)÷(12-2);(3)-32-[-5+(1-0.6×35)÷(-3)2].-数学

题目详情

计算
(1)(-1.5)+
1
2
-(-
3
5
)-0.2;
(2)2
1
4
×(-
6
7
)÷(
1
2
-2)

(3)-32-[-5+(1-0.6×
3
5
)÷(-3)2].
题型:解答题难度:中档来源:不详

答案

(1)原式=-1.5+class="stub"1
2
+class="stub"3
5
-0.2
=-1+0.4
=-0.6;

(2)原式=-class="stub"9
4
×class="stub"6
7
÷(-class="stub"3
2

=-class="stub"9
7


(3)原式=-9-[-5+(1-class="stub"9
25
)÷9]
=-9-[-5+class="stub"16
25
÷9]
=-9-[-5+class="stub"16
225
]
=-9+5-class="stub"16
225

=-4class="stub"16
225

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