题目内容

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.
(1)5÷
5
6
-
5
6
÷5,
=6-
1
6

=5
5
6


(2)3
3
7
-5÷9-13×
1
3

=3
3
7
-
5
9
-
13
3

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

=
216
63
-
308
63

=-
92
63



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

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

(5)39×
44
45

=39×(1-
1
45
),
=39×1-39×
1
45

=39-
13
15

=38
2
15


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