题目内容

下面各题怎样算简便就怎样算:
1
4
+
3
4
÷3
24÷0.8÷
2
5
3
4
×
8
13
+
8
13
÷4

2-
7
12
÷
7
8
-
1
3
0.2-(
1
2
-
1
6
3
5
(0.6+
3
10
)÷(1-
1
10
)
1
4
+
3
4
÷3

=
1
4
+
1
4

=
1
2


24÷0.8÷
2
5

=30÷
2
5

=75;

3
4
×
8
13
+
8
13
÷4

=
3
4
×
8
13
+
8
13
×
1
4

=(
3
4
+
1
4
)×
8
13

=1×
8
13

=
8
13


2-
7
12
÷
7
8
-
1
3

=2-
2
3
-
1
3

=2-(
2
3
+
1
3
),
=2-1,
=1;

0.2-(
1
2
-
1
6
3
5

=0.2-
1
3
×
3
5

=0.2-
1
5

=0;

(0.6+
3
10
)÷(1-
1
10
)

=0.9÷0.9,
=1.
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