题目内容

计算下面各题,能简便运算的写出主要过程.
36×(
1
4
+
1
6
+
1
9
)
(
1
3
+
1
4
-
1
24
)×24
3
5
×
2
3
+
2
5
÷1
1
2
[1-(
1
4
+
3
8
)]÷
1
4
.
(1)36×(
1
4
+
1
6
+
1
9
),
=36×
1
4
+36×
1
6
+36×
1
9
,
=9+6+4,
=19;

(2)(
1
3
+
1
4
-
1
24
)×24,
=
1
3
×24+
1
4
×24-
1
24
×24,
=8+6-1,
=13;

(3)
3
5
×
2
3
+
2
5
÷1
1
2
,
=
3
5
×
2
3
+
2
5
×
2
3
,
=(
3
5
+
2
5
)×
2
3
,
=1×
2
3
,
=
2
3
;

(4)[1-(
1
4
+
3
8
)]÷
1
4
,
=[1-
5
8
]÷
1
4
,
=
3
8
÷
1
4
,
=
3
2
.
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