题目内容

用你喜欢的方法计算下面各题.
3
10
÷6×
2
5
1
5
+
4
5
×
1
2
3
4
×
5
6
+
3
4
÷6
11
12
÷[(
1
3
+
2
5
)×15]
(1)
3
10
÷6×
2
5

=
3
10
×
1
6
×
2
5

=
1
50


(2)
1
5
+
4
5
×
1
2

=
1
5
+
2
5

=
3
5


(3)
3
4
×
5
6
+
3
4
÷6,
=
3
4
×
5
6
+
3
4
×
1
6

=
3
4
×(
5
6
+
1
6
),
=
3
4
×1,
=
3
4


(4)
11
12
÷[(
1
3
+
2
5
)×15],
=
11
12
÷[
1
3
×15+
2
5
×15],
=
11
12
÷[5+6],
=
11
12
×
1
11

=
1
12
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