怎样简便就怎样算.15×8÷4535+12×4556÷23÷56(58+65)×425(56-23)×9101-79÷78.-数学

题目简介

怎样简便就怎样算.15×8÷4535+12×4556÷23÷56(58+65)×425(56-23)×9101-79÷78.-数学

题目详情

怎样简便就怎样算.
1
5
×8÷
4
5

3
5
+
1
2
×
4
5

5
6
÷
2
3
÷
5
6

(
5
8
+
6
5
4
25

(
5
6
-
2
3
9
10

1-
7
9
÷
7
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
5
×8÷class="stub"4
5

=class="stub"8
5
×class="stub"5
4

=2;

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

=class="stub"3
5
+class="stub"2
5

=1;

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

=class="stub"5
6
÷class="stub"5
6
÷class="stub"2
3

=1×class="stub"3
2

=class="stub"3
2


(4)(class="stub"5
8
+class="stub"6
5
)×class="stub"4
25

=class="stub"73
40
×class="stub"4
25

=class="stub"73
250


(5)(class="stub"5
6
-class="stub"2
3
)×class="stub"9
10

=class="stub"1
6
×class="stub"9
10

=class="stub"3
20


(6)1-class="stub"7
9
÷class="stub"7
8

=1-class="stub"7
9
×class="stub"8
7

=1-class="stub"8
9

=class="stub"1
9

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