直接寫(xiě)出得數(shù)
2
3
=
1
4
+
3
8
=
5
6
×
4
5
=
3-
1
3
=
4
9
÷
8
9
=
0.53=
5
7
÷
5
7
=
1
5
-
1
7
=
3
4
+
1
4
÷
1
2
=
1
3
×
1
4
÷
1
3
×
1
4
=.
分析:根據(jù)分?jǐn)?shù)加減乘除法的計(jì)算方法進(jìn)行計(jì)算即可.
解答:解:
2
3
=4
1
4
+
3
8
=
5
8
5
6
×
4
5
=
2
3
3-
1
3
=2
2
3
4
9
÷
8
9
=
1
2
0.53=0.125
5
7
÷
5
7
=1
1
5
-
1
7
=
2
35
3
4
+
1
4
÷
1
2
=1
1
4
1
3
×
1
4
÷
1
3
×
1
4
=
1
16
點(diǎn)評(píng):本題主要考查了分?jǐn)?shù)四則運(yùn)算的計(jì)算方法.
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