下面各题怎样算简便就怎样算(13-14)÷12+5635÷[(56-23)×3].-数学

题目简介

下面各题怎样算简便就怎样算(13-14)÷12+5635÷[(56-23)×3].-数学

题目详情

下面各题怎样算简便就怎样算
(
1
3
-
1
4
1
2
+
5
6

35÷[(
5
6
-
2
3
)×3]
题型:解答题难度:中档来源:不详

答案

(class="stub"1
3
-class="stub"1
4
)÷class="stub"1
2
+class="stub"5
6

=class="stub"1
12
×2+class="stub"5
6

=class="stub"1
6
+class="stub"5
6

=1;

(2)35÷[(class="stub"5
6
-class="stub"2
3
)×3]

=35÷[class="stub"5
6
×3-class="stub"2
3
×3]

=35÷[class="stub"5
2
-2]

=35÷class="stub"1
2

=70.

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