23-9= 46-8= 20+50= 82-(43+7)=
80-40= 79-20= 57-5= 46-(17+3)=
24-6= 87-7= 63+20= 27+3+3=
32-2= 89+1= 12+10= 28-4-4=
40+28-50= 50+14-8= 56-7-20=
24+(26+4)= 45-(38-30)= 30+(26-7)=
13﹣4=
69+1=
51﹣9=
40﹣20﹣20=
5+40=
24+5=
37﹣5=
39﹣(14+6)=
64﹣30=
28+30=
8+24=
45+(10﹣7)=
85-9=
34-7=
56+9=
56+5-20=
34+8=
28-7=
48-6=
9+5-8=
42+30=
78-8=
83-80=
48+(18-9)=
60-50=
70+20=
11-6+7=
73-(13+7)=
99=90+( )
60=66-( )
33=( )+( )
40+30+8=
90-10-60=
26+40-4=
87-70+3=
63-(14+6)=
53-(37-7)=
20+60+8=
63-40-3=
36+30-9=
54+8-30=
42-8-30=
30+30+27=
70+28-90=
63-20+8=
10-(2+3)=
12-(9-7)=
20-(6+4)=
5+(2+8)=
15+10=
13+70=
8+5=
11-6+8=
20-7=
12+6=
79-7=
60-50-7=
16+2=
24-8=
20-3=
87-50+4=
17-6=
5+41=
44+6-9=
8+4=
13-4=
92-9=
30+7+4=