14-4=
8+5=
14-9=
9+9=
18-8=
15-4=
9+3=
12-7=
15-7=
7+7=
11-9=
13-5=
9-7=
14-3=
11-4=
4-( )=2
6-( )=3
8-( )=4
10-( )=5
12-( )=6
14-( )=7
16-( )=8
18-( )=9
20-( )=10
12-( )=4
15-( )=7
11-( )=9
13-( )=6
17-( )=8
13-( )=9
还剩几个?
40+8= 70+6= 60+8= 13-6= 58-8=
17-9= 12-5= 35-5= 15-7= 13-6=
17-6+6= 22-2+3= 13-0+0= 5+6-8= 44-4=
20+70=
37-8=
62-2=
45+9=
18-9=
5+70=
100-60=
11-7=
65-5=
38-15=
99-80=
13+30=
48-26=
46+33=
30+61=
87-14=
13﹣5= 14﹣7= 58﹣8= 42+7=
25+60= 3+41= 35+5= 30+63=
21﹣8= 18+7= 78﹣30= 17﹣9=
15﹣8+4= 10﹣5+7= 2+10﹣4= 6+9﹣7=