25-25×34÷522-59-415÷3525×59+25÷9467÷(49+23×56)(56+38)×48817÷23+123×917.-数学

题目简介

25-25×34÷522-59-415÷3525×59+25÷9467÷(49+23×56)(56+38)×48817÷23+123×917.-数学

题目详情

2
5
-
2
5
×
3
4
÷
5
2
2-
5
9
-
4
15
÷
3
5
2
5
×
5
9
+
2
5
÷
9
4
6
7
÷(
4
9
+
2
3
×
5
6
5
6
+
3
8
)×48
8
17
÷23+
1
23
×
9
17
题型:解答题难度:中档来源:不详

答案

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

=class="stub"2
5
-class="stub"3
10
÷class="stub"5
2

=class="stub"2
5
-class="stub"3
25

=class="stub"7
25


(2)2-class="stub"5
9
-class="stub"4
15
÷class="stub"3
5

=2-class="stub"5
9
-class="stub"4
9

=2-(class="stub"5
9
+class="stub"4
9
),
=2-1,
=1;

(3)class="stub"2
5
×class="stub"5
9
+class="stub"2
5
÷class="stub"9
4

=class="stub"2
5
×class="stub"5
9
+class="stub"2
5
×class="stub"4
9

=class="stub"2
5
×(class="stub"5
9
+class="stub"4
9
),
=class="stub"2
5
×1,
=class="stub"2
5


(4)class="stub"6
7
÷(class="stub"4
9
+class="stub"2
3
×class="stub"5
6
),
=class="stub"6
7
÷(class="stub"4
9
+class="stub"5
9
),
=class="stub"6
7
÷1,
=class="stub"6
7


(5)(class="stub"5
6
+class="stub"3
8
)×48,
=class="stub"5
6
×48+class="stub"3
8
×48,
=40+18,
=58;

(6)class="stub"8
17
÷23+class="stub"1
23
×class="stub"9
17

=class="stub"8
17
×class="stub"1
23
+class="stub"1
23
×class="stub"9
17

=class="stub"1
23
×(class="stub"8
17
+class="stub"9
17
),
=class="stub"1
23
×1,
=class="stub"1
23

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