44-4= 15-9= 30-20= 24+6= 85-5=
32-2= 60+6= 76-70= 89-9= 30+28=
11-6=
13-7=
16-( )=8
( )+8=17
12-8=
11-2=
( )+4=16
18-( )=14
14-9=
14+4=
13+7=
13-6=
90-20=
79-7=
56+3=
60+19=
45+15=
36+20=
28-10=
56+7=
8+=12 5+=14 4+=11 7+=13
4320=63 3810=28 846=54 609=51