题目内容

24×
5
6
=
7
9
×9
=
1
9
÷
1
9
=
5
16
×
8
15
=
3
4
÷
1
2
=
1
3
-
1
4
=
4
5
-
1
2
=
1
7
×5
=
3
4
=
8
9
=
3-
3
4
=
1
5
=
1
2
+
1
6
=
5
6
÷
1
6
=
5
6
÷5
=
3
4
×12
=
分析:依据分数四则运算的计算方法解答.
解答:
解:24×
5
6
=20;
7
9
×9
=7;
1
9
÷
1
9
=1;
5
16
×
8
15
=
1
6
3
4
÷
1
2
=1.5;
1
3
-
1
4
=
1
12
4
5
-
1
2
=0.3;
1
7
×5
=
5
7
3
4
=1
1
3
8
9
=
8
9
3-
3
4
=2.25;
1
5
=25;
1
2
+
1
6
=
2
3
5
6
÷
1
6
=5;
5
6
÷5
=
1
6
3
4
×12
=9.
点评:本题主要考查学生对于分数四则运算计算方法的掌握.
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