①63+24=
②83-12=
③90-18=
④37+39=
⑤87-(29+37)=
⑥36+(50-39)=
⑦100-24+19=
64-29+35= 47+28-19=
92- (36+29)= 63-45+17=
76-50=
30+48=
63-8=
32+45-5=
6+37=
51-9=
30+20+7=
41-3=
20+37=
59-3=
25+10+7=
5+42=
27+8=
30+22=
30+(28-20)=
93-60=
40-9=
64-30=
56-(32+8)=
①82-28=
②63-(24-17)=
③77-17+34=
48+36 = 72-25 =
80-33+45= 62-(18+26)=