题目内容

计算
1
3
+
1
3
=
4
5
-
1
5
=		1-
3
5
=
8
9
-
5
9
=
3
8
+
5
8
=
1
3
+
1
3
=
2
3
4
5
-
1
5
=
3
5
1-
3
5
=
2
5
8
9
-
5
9
=
1
3
3
8
+
5
8
=1
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相关题目
计算[
手
56
+
5
7
]．
5
7
-
2
7
=
2
5
+
1
5
=
3
6
+
2
6
=		1-
7
9
=
7
8
-
4
8
=
2
4
+
2
4
=
4
9
+
1
9
=
2
3
+
1
3
=
1
4
+
1
5
=		1-
6
11
=		1÷
6
7
=
1
2
-
1
3
=
1
5
×
1
5
=		0÷
19
10
=
0.9+99×0.9=（
5
6
+
1
4
）×12=
3
4
：X=3：12．
直接写出得数．
1
4
+
1
4
=
1
7
×
14
15
=
7
8
-
3
8
=
2
7
÷7=
1
2
÷
1
3
=
3
4
×
2
5
×
4
3
=
8×
3
8
+8×
1
8
=		55×
1
11
=
1
2
×
1
3
÷
1
2
=		0×
7
12
+
1
8
=
一根木料长
4
5
米，若用去
1
2
米，还剩______米．若用去
1
2
，还剩______米．
5
8
-
3
8
=
1
2
+
3
2
=
1
3
+
1
6
=
1
5
-
1
10
=
1
2
+
1
3
=
3
4
-
1
2
=		1-
3
7
=		2+
1
3
=
直接写出得数．
7
9
-
4
9
=
1
3
+
1
4
=
2
9
+
1
5
+
7
9
=
1
10
+
3
10
=
1
2
-
1
3
=		1-
5
8
-
3
8
=		0.53=
4
7
+
7
10
-
4
7
=
1
4
-
1
8
+
1
4
-
1
8
=
直接写出得数．
2
5
+
3
5
=
1
7
+
1
11
=
3
8
-0.125=

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