直接写出得数.19÷13= 23-12= 47×54= 1-37+47= 4÷25= 18+34= 350÷710= 13×3÷13×3= 38×49= 1100÷110= 0÷1112= 14+57

2021-09-10 02:22:18作者:黑骡子网 阅读量:32

直接写出得数.
1
9
÷
1
3
=
2
3
-
1
2
=
4
7
×
5
4
=
1-
3
7
+
4
7
=
2
5
=
1
8
+
3
4
=
350÷
7
10
=
1
3
×3
÷
1
3
×3
=
3
8
×
4
9
=
1
100
÷
1
10
=
11
12
=
1
4
+
5
7
+
3
4
=
3
4
÷12
=
7
5
×
10
21
=
2
3
+
3
4
=
1
4
×
2
3
×8=

试卷题目答案

分析:根据分数除法的计算法则:甲数除以乙数(0除外),等于甲数乘乙数的倒数;据此依次解答即可.解答:
解:
1
9
÷
1
3
=
1
3
2
3
-
1
2
=
1
6
4
7
×
5
4
=
5
7
1-
3
7
+
4
7
=
8
7
2
5
=10
1
8
+
3
4
=
7
8
350÷
7
10
=500
1
3
×3
÷
1
3
×3
=9
3
8
×
4
9
=
1
6
1
100
÷
1
10
=
1
10
11
12
=0
1
4
+
5
7
+
3
4
=1
5
7
3
4
÷12
=
1
16
7
5
×
10
21
=
2
3
2
3
+
3
4
=
17
12
1
4
×
2
3
×8=
4
3
点评:明确分数除法的计算法则,是解答此题的关键.
相关标签: 得数 写出
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