15-8=
20+8=
12-3=
13-6=
11-4+50=
11-7=
14-5=
3+30=
4+7=
17-9+80=
8+9=
74-4=
60+5=
9+40=
7+80-7=
40+332 14-68 11-95+2
7+612 20+527 38-838-30
+5=12 -6=9 34-4=-8
14-=7 -70=8 13-8=10-
轩轩做了多少道题?
够不够(在合适的里画“√”)
8+=13 36=30+ 9+=12
78=70+ 40=49- 78=70+
5255 6336 13-44 15-78
6777 4237 16-89 11-67