计算下面各题,能简算的要简算.103×5×11556×513+56×813(12+13+16)×12.-数学

题目简介

计算下面各题,能简算的要简算.103×5×11556×513+56×813(12+13+16)×12.-数学

题目详情

计算下面各题,能简算的要简算.
10
3
×5×
1
15
5
6
×
5
13
+
5
6
×
8
13
(
1
2
+
1
3
+
1
6
)×12
题型:解答题难度:中档来源:不详

答案

(1)class="stub"10
3
×5×class="stub"1
15

=class="stub"10
3
×(5×class="stub"1
15
),
=class="stub"10
3
×class="stub"1
3

=class="stub"10
9


(2)class="stub"5
6
×class="stub"5
13
+class="stub"5
6
×class="stub"8
13

=class="stub"5
6
×(class="stub"5
13
+class="stub"8
13
),
=class="stub"5
6
×1,
=class="stub"5
6


(3)(class="stub"1
2
+class="stub"1
3
+class="stub"1
6
)×12

=class="stub"1
2
×12+class="stub"1
3
×12+class="stub"1
6
×12,
=6+4+2,
=12.

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