①90-27=
②38+49=
③50-11=
④16+28+39=
⑤62-27-16=
⑥53-30+14=
⑦※44+49=
⑧※92-39=
⑨90-12+20=
⑩63÷8=
⑪32+28-40=
⑫42÷(90-83)=
①307+133=
②48÷8=
③*427+350=
④502-169=
⑤50÷7=
⑥*700-442=