计算:(1)734-5411-314-6711+914+214(2)(-0.5)÷156×(-11)(3)-7×54+(-5)×(-54)-25(4)(23-1112-1415)×(-60)(5)-3

题目简介

计算:(1)734-5411-314-6711+914+214(2)(-0.5)÷156×(-11)(3)-7×54+(-5)×(-54)-25(4)(23-1112-1415)×(-60)(5)-3

题目详情

计算:
(1)7
3
4
-5
4
11
-3
1
4
-6
7
11
+9
1
4
+2
1
4

(2)(-0.5)÷1
5
6
×(-11)

(3)-7×
5
4
+(-5)×(-
5
4
)-
2
5

(4)(
2
3
-
11
12
-
14
15
)×(-60)

(5)-32-
1
3
×[(-5)2×(-
3
5
)-240÷(-4)×
1
4
]
题型:解答题难度:中档来源:不详

答案

(1)7class="stub"3
4
-5class="stub"4
11
-3class="stub"1
4
-6class="stub"7
11
+9class="stub"1
4
+2class="stub"1
4

=(7class="stub"3
4
-3class="stub"1
4
+9class="stub"1
4
+2class="stub"1
4
)-(5class="stub"4
11
+6class="stub"7
11

=16-12
=4;

(2)(-0.5)÷1class="stub"5
6
×(-11)

=class="stub"1
2
×class="stub"6
11
×(-11)
=-3;

(3)-7×class="stub"5
4
+(-5)×(-class="stub"5
4
)-class="stub"2
5

=(-7+5)×class="stub"5
4
-class="stub"2
5

=(-2)×class="stub"5
4
-class="stub"2
5

=-class="stub"5
2
-class="stub"2
5

=-2class="stub"9
10


(4)(class="stub"2
3
-class="stub"11
12
-class="stub"14
15
)×(-60)

=-class="stub"2
3
×60+class="stub"11
12
×60+class="stub"14
15
×60
=-40+55+56
=71;

(5)-32-class="stub"1
3
×[(-5)2×(-class="stub"3
5
)-240÷(-4)×class="stub"1
4
]

=-9-class="stub"1
3
×[25×(-class="stub"3
5
)+60×class="stub"1
4
]
=-9-class="stub"1
3
×[-15+15]
=-9-class="stub"1
3
×0
=-9-0
=-9.

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