2
3
×
3
4
=
1
2
1
2
       
12×
2
3
=
8
8
      
4
5
÷
1
2
=
8
5
8
5
       
8
9
÷4=
2
9
2
9
5
4
×
4
5
=
1
1
       
5
6
=
6
6
       
2
3
÷
2
3
=
1
1
     
6÷(
1
2
-
1
3
)=
36
36
0.2-
1
6
=
1
30
1
30
24÷
3
4
=
32
32
3
5
+
1
3
=
14
15
14
15
3.14×32=
28.26
28.26
分析:根據(jù)分?jǐn)?shù)加減乘除法的計(jì)算法則進(jìn)行計(jì)算即可.
解答:解:
2
3
×
3
4
=
1
2
12×
2
3
=8
4
5
÷
1
2
=
8
5
8
9
÷4=
2
9
5
4
×
4
5
=1
5
6
=6
2
3
÷
2
3
=1
6÷(
1
2
-
1
3
)=36
0.2-
1
6
=
1
30
24÷
3
4
=32
3
5
+
1
3
=
14
15
3.14×32=28.26.
故答案為:
1
2
,8,
8
5
2
9
,1,6,1,36,
1
30
,32,
14
15
,28.26.
點(diǎn)評(píng):本題主要考查了分?jǐn)?shù)加減乘除法的計(jì)算法則的運(yùn)用.
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