怎样简便就怎样算5÷56-56÷5337-5÷9-13×1336-(58-712)×24(34-56+12)×12039×444513×(711×513)×11.-数学

题目简介

怎样简便就怎样算5÷56-56÷5337-5÷9-13×1336-(58-712)×24(34-56+12)×12039×444513×(711×513)×11.-数学

题目详情

怎样简便就怎样算
5
6
-
5
6
÷5

3
3
7
-5÷9-13×
1
3

36-(
5
8
-
7
12
)×24
3
4
-
5
6
+
1
2
)×120
39×
44
45
13×(
7
11
×
5
13
)×11.
题型:解答题难度:中档来源:不详

答案

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

=5class="stub"5
6


(2)3class="stub"3
7
-5÷9-13×class="stub"1
3

=3class="stub"3
7
-class="stub"5
9
-class="stub"13
3

=3class="stub"3
7
-(class="stub"5
9
+class="stub"13
3
),
=3class="stub"3
7
-class="stub"44
9

=class="stub"216
63
-class="stub"308
63

=-class="stub"92
63



(3)36-(class="stub"5
8
-class="stub"7
12
)×24,
=36-(class="stub"5
8
×24-class="stub"7
12
×24),
=36-(15-14),
=36-1,
=35;

(4)(class="stub"3
4
-class="stub"5
6
+class="stub"1
2
)×120,
=class="stub"3
4
×120-class="stub"5
6
×120+class="stub"1
2
×120,
=90-100+60,
=90+60-100,
=50;

(5)39×class="stub"44
45

=39×(1-class="stub"1
45
),
=39×1-39×class="stub"1
45

=39-class="stub"13
15

=38class="stub"2
15


(6)13×(class="stub"7
11
×class="stub"5
13
)×11,
=(class="stub"7
11
×11)×(class="stub"5
13
×13),
=7×5,
=35.

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