题目内容

一瓶可乐5升，喝了
1
2
升，还剩______升．
5-
1
2
=4
1
2
（升），
答：还剩4
1
2
升．
故答案为：4
1
2
．
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相关题目
111+89=3.6-0.6=1.5×6=7.2÷0.9=
1
3
+
1
4
=
1
2
-
1
5
=
2
7
×
7
8
=
4
7
÷
2
5
=
口算
1
5
+
3
5
=		1-
1
3
=
1
4
+
3
4
=
1
8
+
5
8
=
5
6
-
2
3
=
7
9
-
2
9
=
11
12
-
1
12
=
7
15
-
2
15
=
13
20
-
9
20
=
9
14
-
5
14
=
直接写出得数．
0.56+0.25=
4
5
-（
1
2
-
1
5
）=		0÷
4
15
=		（
1
2
+
1
3
）×6=
4
5
+
2
5
=
8
3
×
3
8
=		8÷
4
5
=		1+8%=
看谁算的又对又快．

1
2
+
1
2
=
1
2
+
1
3
=
7
9
-
1
9
=
5
6
-
2
3
=
1-
5
11
=
3
4
+
3
4
=
2
7
-
2
7
=		1-
6
13
=
7
12
+
1
6
=
4
5
-
1
5
=
1
4
+
3
4
=
1
3
+
3
8
=
直接写得数．
2
3
+
1
2
=
5
6
×18=
7
8
-
1
2
=
1
3
×
3
4
×8=
2
5
×
3
4
=
5
11
÷6=
4
5
÷
5
6
=		（
5
8
+
2
3
）×24=
4
5
÷
5
4
=		24×25%0÷
3
5
1
4
×
1
3
÷
1
3
×
1
4
=
直接写出得数：
4
5
+
3
15
=
3
4
÷6=
5
12
×
6
17
=
5
6
×0÷
3
5
=
2-
1
5
+
4
5
=
3
8
×16=		6-
1
3
=
12
88
÷
3
11
=
6
7
+1÷7=		5×
1
5
÷5×
1
5
=
从1里面减去3个
1
5
，结果是
2
5
．______．（判断对错）
一件工作，已经完成
4
7
，还剩下______．

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