计算,能简算的要简算.58×34+14×58(512+716)×483-712-51234×25+34×0.6.-数学

题目简介

计算,能简算的要简算.58×34+14×58(512+716)×483-712-51234×25+34×0.6.-数学

题目详情

计算,能简算的要简算.
5
8
×
3
4
+
1
4
×
5
8

5
12
+
7
16
)×48
3-
7
12
-
5
12

3
4
×
2
5
+
3
4
×0.6.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
8
×class="stub"3
4
+class="stub"1
4
×class="stub"5
8

=class="stub"5
8
×(class="stub"3
4
+class="stub"1
4
),
=class="stub"5
8
×
1,
=class="stub"5
8


(2)(class="stub"5
12
+class="stub"7
16
)×48,
=48×class="stub"5
12
+48×class="stub"7
16

=20+21,
=41;
(3)3-class="stub"7
12
-class="stub"5
12

=3-(class="stub"7
12
+class="stub"5
12
),
=3-1,
=2;
(4)class="stub"3
4
×class="stub"2
5
+class="stub"3
4
×
0.6,
=class="stub"3
4
×
class="stub"2
5
+
class="stub"3
5
),
=class="stub"3
4
×
1,
=class="stub"3
4

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