①65+32=
②75-34=
③68+25=
④82-47=
⑤17+45-18=
⑥95-76+28=
⑦56+39-17=
15-7=
42-4=
35-7=
13-8=
69-30=
80-3=
16-9=
84+6=
42+30=
33-6=
87-30=
64+9=
55-6-20=
38+(36-30)=
56-(36+4)=
65+(11-4)=
83﹣68=
45+39=
56+24﹣15=
27+58= 9+66= 84-38= 90-3=
83-16= 72-57= 36+54= 14+29=
43-8= 48+47= 94-36=
85+15= 98-89= 38+19=
75+4 = 50-36= 27+35=