题目内容

口算

14＋3=
答案：17
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相关题目
（2008?金阊区）
口算
1
4
-
1
5
=
1
4
+0.75=		 （
1
4
-
1
8
）×4=		 3.14×9=
0.1×0.99= 7.5÷0.25=
2
3
÷6=		 7×
1
7
÷7×
1
7
=
口算．
30÷3=		 14×5= 28×4= 2×600=
450÷5= 2400÷8= 4800÷6= 800÷4=
870-250= 0÷9= 563÷7≈ 297÷6≈
口算
4
1
2
÷4=		 3.14×9=
6-
1
6
=		 （
9
8
-
8
9
）×72=
88%-79.2%= 1÷1%=
5÷
1
2
×5÷
1
2
=		 2000×2.25%=
口算
1
4
×
1
3
=
4
7
÷2=
1
2
÷
1
2
=		 10÷
5
6
=
2
3
×
3
4
=
9
10
÷
1
5
=
1
6
÷6=
8
9
÷4=		 15×
4
5
=		 15÷
1
3
=
3
4
×
2
9
=
2
3
÷
1
2
=
2
5
×
1
2
=
1
2
÷
1
4
=
1
2
×
1
4
=
4
5
÷
1
5
=
3
7
×14=
1
4
÷
1
2
=
1
2
-
1
4
=
4
9
×
3
4
=
5
8
×
2
5
=
1
6
÷
2
3
=
1
2
+
1
4
=
3
5
÷1=
7
15
×5=		 1÷
3
4
=
1
2
÷
1
4
=		 1÷
3
5
=
3
4
×12=
1
5
÷
2
3
=
7
9
×
3
7
=		 1-
3
5
=		 18×
5
6
=		 7÷
7
5
=
1
3
+
1
6
=		 1+
3
5
=
2
9
×
1
4
=
8
3
÷2=
3
5
÷
2
5
=
5
9
÷3=
5
6
×
3
10
=
2
5
÷
1
2
=
8×
1
4
=		 9÷
3
4
=		 30×
1
3
=
4
5
÷2=
5
24
÷
5
6
=
5
8
×
1
2
×0=
1
3
×
3
11
=		 8÷
1
4
=
9
10
÷
3
5
=		 0÷
1
3
÷
1
2
=		 1×
9
11
=
2
5
÷
1
5
=
1
3
÷
1
3
=		 0×
2
9
÷
1
2
=
5
6
×
6
5
=
1
5
÷
1
3
=		 0÷
5
12
=		 1×
1
2
÷
1
2
=

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