能简便的要简便计算.517÷23+13÷33815÷[532×(910+16)](239+251)×13+25÷51.-数学

题目简介

能简便的要简便计算.517÷23+13÷33815÷[532×(910+16)](239+251)×13+25÷51.-数学

题目详情

能简便的要简便计算.
5
17
÷
2
3
+
1
3
÷
3
3

8
15
÷[
5
32
×(
9
10
+
1
6
)]
2
39
+
2
51
)×13+25÷51.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
17
÷class="stub"2
3
+class="stub"1
3
÷class="stub"3
3

=class="stub"15
34
+class="stub"1
3

=class="stub"79
102


(2)class="stub"8
15
÷[class="stub"5
32
×(class="stub"9
10
+class="stub"1
6
)],
=class="stub"8
15
÷[class="stub"5
32
×class="stub"32
30
],
=class="stub"8
15
÷class="stub"1
6

=class="stub"16
5


(3)(class="stub"2
39
+class="stub"2
51
)×13+25÷51,
=class="stub"2
39
×13+class="stub"2
51
×13+class="stub"25
51

=class="stub"2
3
+class="stub"26
51
+class="stub"25
51

=class="stub"2
3
+(class="stub"26
51
+class="stub"25
51
),
=class="stub"2
3
+1,
=1class="stub"2
3

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