十几减9练习题

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1、在括号里填上适当的数
13 - 9 = 4 3
10
11 - 9 = 2 1
10
1
18 - 9 = 9 8
10
wk.baidu.com
1
16 - 9 = 7 6
10
1
1
9+4= 13 - 9 = 9+5= 14- 9 =
13
4
14
5
2、在括号里填上适当的数
(3 )+ 9 = 12 9 + ( 3 ) = 12 12 – 9 =( 3) (4 )+ 9 = 13 9 + (4 ) = 13 13 – 9 =(4 )
11 - 9 = 2 12 - 9 = 3 13 - 9 = 4 14 - 9 = 5 15 - 9 = 6 16 - 9 = 7 17 - 9 = 8 18 - 9 = 9
3
1
5
9
2
10
7
4
8
6
17-9 =8 15-9 =6 13-9 =4 11-9 =2 16-9 =7 18-9 =9
5+ ( 9 ) =14
9 + (5 ) = 14 (14) – 9 = 5
15 - 9 = ( 6 ) ( 6 ) + 9 = 15 6+ ( 9 ) =15
11 - 9 = 2 12 - 9 = 3 13 - 9 = 4 14 - 9 = 5 15 - 9 = 6 16 - 9 = 7 17 - 9 = 8 18 - 9 = 9
14-9 =5
12-9 =3
5、
11 - 9 = 14 - 9 = 18 - 10 = 15 - 5 =
17 - 4 = 17 - 9 = 19 - 9 = 16 - 2 =
12- 9 =
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