26+37=
42﹣19=
92﹣34﹣29=
29+46=
83﹣47=
24+34+29=
□○□=□ □○□=□
①45+37=
②73-45=
③18+27+30=
④12+79-36=
⑤76-35-28=
⑥80-(34+15)=
①28+56=
②75﹣34=
③70﹣29=
④92﹣45﹣30=
⑤46+55﹣33=
⑥81﹣(26+37)=