(1)(712-13)×27(2)511×[(25+13)÷56].-数学

题目简介

(1)(712-13)×27(2)511×[(25+13)÷56].-数学

题目详情

(1)(
7
12
-
1
3
)×
2
7
(2)
5
11
×[(
2
5
+
1
3
)÷
5
6
].
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"7
12
-class="stub"1
3
)×class="stub"2
7

=class="stub"1
4
×class="stub"2
7

=class="stub"1
14

(2)class="stub"5
11
×[(class="stub"2
5
+class="stub"1
3
)÷class="stub"5
6
],
=class="stub"5
11
×(class="stub"11
15
÷class="stub"5
6
),
=class="stub"5
11
×class="stub"22
25

=class="stub"2
5

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