题目内容

口算．

13－10＋5＝　　　　　　15－8＋2＝

答案：8;9
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相关题目
口算．
1
3
-
1
4
=		 42÷10%= 1-0.5= 48×12.5%=
9×
1
9
÷9×
1
9
=		 （
1
4
-
1
5
）×20=		 7.2÷0.08= 5÷
5
7
-
5
7
÷5=
（2012?佛山模拟）
口算．
199+49=		 10-0.01= 5+1.4+1.6= 2.5×40=
2
3
×
9
10
=		 24÷
6
7
=
1
3
+
1
4
=
1
3
÷2÷
1
3
=
口算：
1
3
-
1
4
=
3
4
+
5
6
=
5
8
×
24
25
=		 1÷
2
5
=		 25×10%=
2
5
÷10=		 25%：
1
8
=		 2-
5
12
-
7
12
=
1
6
+
3
4
+
5
6
+
1
4
=
3
5
×
1
16
+
3
5
×
15
16
=
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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