灵活计算①13-(45-23)②75÷53=25×35③(514+413)×14-4÷13④(512-1336)÷23+16.-数学

题目简介

灵活计算①13-(45-23)②75÷53=25×35③(514+413)×14-4÷13④(512-1336)÷23+16.-数学

题目详情

灵活计算
1
3
-(
4
5
-
2
3
)
75÷
5
3
=25×
3
5
(
5
14
+
4
13
)×14-4÷13
(
5
12
-
13
36
2
3
+
1
6
题型:解答题难度:中档来源:不详

答案

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

=class="stub"1
3
-class="stub"4
5
+class="stub"2
3

=(class="stub"1
3
+class="stub"2
3
-class="stub"4
5

=1-class="stub"4
5

=class="stub"1
5


(2)75÷class="stub"5
3
-25×class="stub"3
5

=75×class="stub"3
5
-25×class="stub"3
5

=(75-25)×class="stub"3
5

=50×class="stub"3
5

=30;

(3)(class="stub"5
14
+class="stub"4
13
)×14-4÷13

=class="stub"5
14
×14+class="stub"4
13
×14-class="stub"4
13

=5+(14-1)×class="stub"4
13

=5+13×class="stub"4
13

=5+4,
=9;

(4)(class="stub"5
12
-class="stub"13
36
)÷class="stub"2
3
+class="stub"1
6

=class="stub"1
18
÷class="stub"2
3
+class="stub"1
6

=class="stub"1
12
+class="stub"1
6

=class="stub"1
4

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