比(多少),
5+2= →5+3= →5+4= → 5+5= → 5+6=
7-5= →8-5= →9-5= →10-5= →11-5=
7-2= →8-3= →9-4= →10-5= →11-6=
7+2=
6-3=
6+8=
12-2-4=
6+3=
4-0=
4+10=
4+9-3=
10-7=
1+5=
9-7=
7-2+6=
5+9=
8+4=
0+7=
2+5+7=
□○□=□(人)
□○□○□= □(辆)
(个)
14
16
17
20
18
11
15
19