题目内容

直接写出得数．
1
3
-
2
9
=
3
5
÷
4
7
=
4
5
+
1
5
=
4
25
×
5
12
=
1÷1%=

1
3
-
2
9
=
1
9

3
5
÷
4
7
=1
1
20

4
5
+
1
5
=1
4
25
×
5
12
=
1
15

1÷1%=100
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相关题目
直接写得数．
3
5
+
1
5
=
1
5
-
1
6
=
1
21
+
1
7
=
2
3
+
1
4
=
5
8
-
11
24
=
7
9
-
2
9
=
7
8
+
1
8
=
5
9
-
1
3
=
3
4
-
2
5
=
1
2
+
2
3
=
直接写出得数
2
7
+
5
7
=
1
8
+
1
4
=		0.6+
1
2
=		0.5+
1
3
=
1-
2
5
=
3
4
-
1
2
=		0.8-
3
5
=
1
3
-0.2=
直接写得数．
1
4
+
3
4
=
1
3
+
3
8
=
4
5
-
1
5
=		3-
1
4
=
1
5
+
1
7
=
5
6
+
5
6
=
直接写出得数：
1
10
+
3
10
=
7
9
-
5
9
=
1
2
+
1
3
+
1
4
=
1
4
-
1
5
=
2
3
-
1
6
=
4
11
+
3
11
+
2
11
=		1-
5
18
=		1-
3
7
-
2
7
=
7
12
-
1
6
=
1
2
+
1
2
=
17
18
-
4
9
-
1
6
=		7÷9=
2
9
+
4
9
=		1-
2
13
=
1
6
+
1
5
+
1
3
=		1-
2
3
-
1
3
=
5
8
-
1
8
=		1-
7
8
=
2
3
-
3
9
=		25×32×5=
计算．
6
7
+
1
2
-
3
14

3
17
+
3
8

5
8
+
3
8
．
直接写出得数
4
5
+
5
4
=
6
7
+
1
7
-
3
14
=
6.4+3
3
5
=		0.9+99×0.9=
8.8÷0.2=8×
1
100
×12.5=
3
10
×
5
6
+0.75=		(
1
6
+
1
4
)×12=
直接写出得数
2.4+
3
5
=		10-
2
5
=		1-
3
8
-
5
8
=

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