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-
37÷8= 27÷6= 77-24 +36=
8+=13 36=30+ 9+=12
78=70+ 40=49- 78=70+
8+50=
14-6=
17-8=
13-4-3=
56-50=
47-7=
15-9=
3+4+9=
78-8=
13-8=
11-2=
6+7-5=
20+9=
14-8=
15-7=
12-6+4=
78-=70 +10=90
66-=6 -9=9