(217+13)÷551512÷(512÷13)34÷14÷910625÷34+53×625.-数学

题目简介

(217+13)÷551512÷(512÷13)34÷14÷910625÷34+53×625.-数学

题目详情

(
2
17
+
1
3
5
51
5
12
÷(
5
12
÷
1
3
)
3
4
÷14÷
9
10
6
25
÷
3
4
+
5
3
×
6
25
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"2
17
+class="stub"1
3
)÷class="stub"5
51

=class="stub"23
51
×class="stub"51
5

=class="stub"23
5


(2)class="stub"5
12
÷(class="stub"5
12
÷class="stub"1
3

=class="stub"5
12
÷(class="stub"5
12
×3)
=class="stub"5
12
÷class="stub"5
4

=class="stub"5
12
×class="stub"4
5

=class="stub"1
3


(3)class="stub"3
4
÷14÷class="stub"9
10

=class="stub"3
4
×class="stub"1
14
×class="stub"10
9

=class="stub"5
84


(4)class="stub"6
25
÷class="stub"3
4
+class="stub"5
3
×class="stub"6
25

=class="stub"6
25
×class="stub"4
3
+class="stub"5
3
×class="stub"6
25

=(class="stub"4
3
+class="stub"5
3
)×class="stub"6
25

=3×class="stub"6
25

=class="stub"18
25

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