题目内容

直接写出得数
1
3
+
1
7
=
1
4
-
1
5
=
2
3
-
5
12
=
2
3
-
1
5
=
3
4
+
2
7
-
3
4
=		1-
5
8
=
4
11
+
7
11
=
2
7
+
3
4
+
5
7
=
7
8
-
1
2
=
2
9
+
4
9
=
1
3
+
1
7
=
10
21
1
4
-
1
5
=
1
20
2
3
-
5
12
=
1
4
2
3
-
1
5
=
7
15
3
4
+
2
7
-
3
4
=
2
7
1-
5
8
=
3
8
4
11
+
7
11
=1
2
7
+
3
4
+
5
7
=1
3
4
7
8
-
1
2
=
3
8
．
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相关题目
直接写出得数．
5
8
+0.125=		15.2-0.9=
50×0.01=1÷0.1=
5
1
3
×
3
8
=		12÷35=
4
5
÷0.8=		5.8+
1
4
=
1.25×4
1
3
×0.8=		4-1
5
8
-
3
8
=
______米比80米多
1
2
米，12千克比15千克少______%．
3
4
5
-2.7=		14×
2
7
=
15
16
÷5=
1
1
3
÷
1
3
=
1
2
×
1
5
×
1
4
=		0÷2
2
7
×9
1
5
=
1
3
+3÷
1
2
=
7
15
-
2
5
=
1
2
+
1
4
=
4÷
2
3
=
9
14
-
9
14
=
3
4
+
1
3
=
7
12
×
3
14
=		24÷
3
8
=
3
10
×
5
9
=
1
5
÷3=		4-
2
5
=
1
5
÷3=
9
14
-
7
14
=
1
3
+3÷
1
2
=		5-
3
4
=
2
3
8
×9
1
5
×0=
1
3
÷
1
6
=
1
3
×
1
4
×
1
2
=
3
10
×
5
6
=
1
6
×3=
3
8
+85+
5
8
=
4-
7
8
-
1
8
=
7
9
-
1
3
=
3
4
÷
1
2
=
0.25×8=3.4-
8
13
-
5
13
=
1
3
+0.5=
10.5-1.05=
3
10
×
5
12
=		10.01÷10%=
1.5×
3
5
=
4
5
÷80%=		1×9÷
1
9
=
3×
1
3
÷
3
4
÷4=
5
6
千克减少
1
5
千克是______千克
5
6
千克减少
1
5
是______千克．
直接写得数．
1
2
+
1
3
=______；		18×
2
3
=______；
9
10
×
2
3
=______；
1×
7
8
=______；
3
4
-
2
5
=______；
5
7
×21=______；
5
12
×
4
5
=______；
2
13
×6=______；
3
10
×
5
6
=______；
2
9
×9=______；
5
8
×
2
5
=______；		2-
7
9
=______．
5-
15
7
=
30
7
______．
计算：3-
3
11
=______．
看谁填得又对又快．

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