20+4= 29-9= 65-5= 40+8= 32-2= 14-6=
26-6= 50+5= 7+9 30+3= 58-8= 7+90=
20-9= 15-9= 13-5= 11-6= 6+10-8= 12-3-6= 6+8+10= 11-3-7= 0+12= 13-6-3= 14-9+8= 12-5=
一共有个苹果.
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
16-9=
5+6=
13-7=
7+8=
11-3=
在□里填上合适的数。
11-5= 2+8= 12-6= 7+6=
16-8= 11-4= 17-9= 13-7=
3+9= 14-7= 9+8= 17-8=
12-8= 18-9= 11-6= 9+5=
6+5-7= 13-4+6= 13-8+3=
15-9+2= 15-7-3= 15+2-9=
-7-2=6 12-+5=14
8 |
|
|
11 |
|
|
|
15 |
|
|
|
19 |
|