脱式计算,能简算的要简算37÷57×715613÷7+17×81327+57×15-114156÷(314÷613)-数学

题目简介

脱式计算,能简算的要简算37÷57×715613÷7+17×81327+57×15-114156÷(314÷613)-数学

题目详情

脱式计算,能简算的要简算
3
7
÷
5
7
×
7
15
6
13
÷7+
1
7
×
8
13
2
7
+
5
7
×
1
5
-
1
14
1
56
÷(
3
14
÷
6
13
题型:解答题难度:中档来源:不详

答案

(1)class="stub"3
7
÷class="stub"5
7
×class="stub"7
15

=class="stub"3
5
×class="stub"7
15

=class="stub"7
25


(2)class="stub"6
13
÷7+class="stub"1
7
×class="stub"8
13

=class="stub"6
13
×class="stub"1
7
+class="stub"1
7
×class="stub"8
13

=(class="stub"6
13
+class="stub"8
13
)×class="stub"1
7

=class="stub"14
13
×class="stub"1
7

=class="stub"2
13


(3)class="stub"2
7
+class="stub"5
7
×class="stub"1
5
-class="stub"1
14

=class="stub"2
7
+class="stub"1
7
-class="stub"1
14

=class="stub"3
7
-class="stub"1
14

=class="stub"5
14


(4)class="stub"1
56
÷(class="stub"3
14
÷class="stub"6
13
),
=class="stub"1
56
÷(class="stub"3
14
÷class="stub"6
13
),
=class="stub"1
56
÷class="stub"13
28

=class="stub"1
26

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