用下列各数写出几个得数是8的减法算式。比一比,看谁写得多?
1,2,3,4,6,7,10,12,15
3+8=
11-3=
12-6=
6+9=
12-4=
13-5=
16-8=
7+9=
16-9=
10+8=
12+5=
11-4=
15-6=
9+5=
13-7=
17-8=
12-7=
7+8=
14-8=
15-15=
11-2=
12-8=
14-6=