12÷(67×1415)748÷(712-18)116+3÷910917×67-817÷756÷23×1223+13×37.-数学

题目简介

12÷(67×1415)748÷(712-18)116+3÷910917×67-817÷756÷23×1223+13×37.-数学

题目详情

12÷(
6
7
×
14
15
)   
7
48
÷(
7
12
-
1
8
)  
1
1
6
+3÷
9
10
9
17
×
6
7
-
8
17
÷7
5
6
÷
2
3
×
1
2
2
3
+
1
3
×
3
7
题型:解答题难度:中档来源:不详

答案

(1)12÷(class="stub"6
7
×class="stub"14
15
) 
=12÷class="stub"4
5

=12×class="stub"5
4

=15;

(2)class="stub"7
48
÷(class="stub"7
12
-class="stub"1
8
) 
=class="stub"7
48
÷class="stub"11
24

=class="stub"7
48
×class="stub"24
11

=class="stub"7
22


(3)1class="stub"1
6
+3÷class="stub"9
10

=class="stub"7
6
+class="stub"10
3

=class="stub"9
2


(4)class="stub"9
17
×class="stub"6
7
-class="stub"8
17
÷7
=class="stub"54
119
-class="stub"8
17
×class="stub"1
7

=class="stub"54
119
-class="stub"8
119

=class="stub"46
119


(5)class="stub"5
6
÷class="stub"2
3
×class="stub"1
2

=class="stub"5
6
×class="stub"3
2
×class="stub"1
2

=class="stub"5
8


(6)class="stub"2
3
+class="stub"1
3
×class="stub"3
7

=class="stub"2
3
+class="stub"1
7

=class="stub"17
21

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