41+29=
90-12=
66-29=
40+24-29=
73-(25+29)=
①19+28+35=
②73-27-38=
③43+(62-35)=
①37+40=
②46-26=
③80-38=
④28+35+17=
⑤37+48-80=
⑥86-(60-24)=