计算下列各题,能简算的要简算.65×67-67÷54-915÷95-23(34-110÷2)×51434×512+512×54.-数学

题目简介

计算下列各题,能简算的要简算.65×67-67÷54-915÷95-23(34-110÷2)×51434×512+512×54.-数学

题目详情

计算下列各题,能简算的要简算.
6
5
×
6
7
-
6
7
÷5
4-
9
15
÷
9
5
-
2
3
3
4
-
1
10
÷2)×
5
14
3
4
×
5
12
+
5
12
×
5
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"6
5
×class="stub"6
7
-class="stub"6
7
÷5,
=class="stub"6
5
×class="stub"6
7
-class="stub"6
7
×class="stub"1
5

=class="stub"6
7
×(class="stub"6
5
-class="stub"1
5
),
=class="stub"6
7
×1,
=class="stub"6
7


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

=4-class="stub"1
3
-class="stub"2
3

=4-(class="stub"1
3
+class="stub"2
3
),
=4-1,
=3;

(3)(class="stub"3
4
-class="stub"1
10
÷2)×class="stub"5
14

=(class="stub"3
4
-class="stub"1
20
)×class="stub"5
14

=class="stub"14
20
×class="stub"5
14

=class="stub"1
4


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

=class="stub"5
12
×(class="stub"3
4
+class="stub"5
4
),
=class="stub"5
12
×2,
=class="stub"5
6

更多内容推荐