递等式计算:611+511×35;59×25+59×35;1542÷57÷23;(14+23)×60%.-数学

题目简介

递等式计算:611+511×35;59×25+59×35;1542÷57÷23;(14+23)×60%.-数学

题目详情

递等式计算:
6
11
+
5
11
×
3
5

5
9
×
2
5
+
5
9
×
3
5

15
42
÷
5
7
÷
2
3

1
4
+
2
3
)×60%.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"6
11
+class="stub"5
11
×class="stub"3
5

=class="stub"6
11
+class="stub"3
11

=class="stub"9
11


(2)class="stub"5
9
×class="stub"2
5
+class="stub"5
9
×class="stub"3
5

=class="stub"5
9
×(class="stub"2
5
+class="stub"3
5
),
=class="stub"5
9
×1,
=class="stub"5
9


(3)class="stub"15
42
÷class="stub"5
7
÷class="stub"2
3

=class="stub"1
2
÷class="stub"2
3

=class="stub"3
4


(4)(class="stub"1
4
+class="stub"2
3
)×60%,
=class="stub"11
12
×60%,
=class="stub"11
20

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