能简算的要简算.15÷13+45×11334×25÷34×256-229+1795×32×12.5.-数学

题目简介

能简算的要简算.15÷13+45×11334×25÷34×256-229+1795×32×12.5.-数学

题目详情

能简算的要简算.
1
5
÷13+
4
5
×
1
13
3
4
×
2
5
÷
3
4
×
2
5
6-2
2
9
+1
7
9
5×32×12.5.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
5
÷13+class="stub"4
5
×class="stub"1
13

=class="stub"1
5
×class="stub"1
13
+class="stub"4
5
×class="stub"1
13

=(class="stub"1
5
+class="stub"4
5
)×class="stub"1
13

=1×class="stub"1
13

=class="stub"1
13


(2)class="stub"3
4
×class="stub"2
5
÷class="stub"3
4
×class="stub"2
5

=class="stub"3
4
×class="stub"2
5
×class="stub"4
3
×class="stub"2
5

=class="stub"4
25


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

=3class="stub"7
9
+1class="stub"7
9

=5class="stub"5
9


(4)5×32×12.5,
=5×4×8×12.5,
=(5×4)×(8×12.5),
=20×20,
=400.

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