题目内容

下面各题,怎样算简便就怎样算
1
5
×
2
3
÷
4
9
②2-
5
13
-
8
13
③(
1
3
+
1
4
-
1
24
)×24
3
20
×101-
3
20
5
6
÷
3
4
-
4
9
×
3
4
1
3
÷(
11
12
-
3
4
1
5
×
2
3
÷
4
9

=
1
5
×
2
3
×
9
4

=
3
10


②2-
5
13
-
8
13

=2-(
5
13
+
8
13
),
=2-1,
=1;

③(
1
3
+
1
4
-
1
24
)×24,
=
1
3
×24+
1
4
×24-
1
24
×24,
=8+6-1,
=13;

3
20
×101-
3
20

=
3
20
×(101-1),
=
3
20
×100,
=15;

5
6
÷
3
4
-
4
9
×
3
4

=
5
6
×
4
3
-
4
9
×
3
4

=
10
9
-
1
3

=
7
9


1
3
÷(
11
12
-
3
4
),
=
1
3
÷
1
6

=2.
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