(545+2910-213)÷(112+13).-数学

题目简介

(545+2910-213)÷(112+13).-数学

题目详情

(5
4
5
+2
9
10
-2
1
3
)÷(1
1
2
+
1
3
)
题型:解答题难度:中档来源:不详

答案

(5class="stub"4
5
+2class="stub"9
10
-2class="stub"1
3
)÷(1class="stub"1
2
+class="stub"1
3
)

=(5class="stub"24
30
+2class="stub"27
30
-2class="stub"10
30
)÷(1class="stub"3
6
+class="stub"2
6
),
=6class="stub"11
30
÷1class="stub"5
6

=class="stub"191
30
×class="stub"6
11

=class="stub"191
55

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