(512-724)×24710×53+710÷349÷(23÷311)×11479-25-23×910(110+117)×13+4÷17815÷[(13-14)×4].-数学

题目简介

(512-724)×24710×53+710÷349÷(23÷311)×11479-25-23×910(110+117)×13+4÷17815÷[(13-14)×4].-数学

题目详情

5
12
-
7
24
)×24
7
10
×
5
3
+
7
10
÷3
4
9
÷(
2
3
÷
3
11
)×
11
4
7
9
-
2
5
-
2
3
×
9
10
1
10
+
1
17
)×13+4÷17
8
15
÷[(
1
3
-
1
4
)×4].
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"5
12
-class="stub"7
24
)×24,
=class="stub"5
12
×24-class="stub"7
24
×24,
=10-7,
=3;

(2)class="stub"7
10
×class="stub"5
3
+class="stub"7
10
÷3,
=class="stub"35
30
+class="stub"7
30

=1.4;

(3)class="stub"4
9
÷(class="stub"2
3
÷class="stub"3
11
)×class="stub"11
4

=class="stub"4
9
÷class="stub"22
9
×class="stub"11
4

=class="stub"4
9
×class="stub"9
22
×class="stub"11
4

=class="stub"1
2


(4)class="stub"7
9
-class="stub"2
5
-class="stub"2
3
×class="stub"9
10

=class="stub"7
9
-class="stub"2
5
-class="stub"3
5

=class="stub"7
9
-(class="stub"2
5
+class="stub"3
5
),
=class="stub"7
9
-1,
=-class="stub"2
9


(5)(class="stub"1
10
+class="stub"1
17
)×13+4÷17,
=class="stub"1
10
×13+class="stub"1
17
×13+class="stub"4
17

=1.3+(class="stub"13
17
+class="stub"4
17
),
=1.3+1,
=2.3;

(6)class="stub"8
15
÷[(class="stub"1
3
-class="stub"1
4
)×4],
=class="stub"8
15
÷[class="stub"1
12
×4],
=class="stub"8
15
÷class="stub"1
3

=class="stub"8
5

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