①676+314=
②☆900-198=验算:
③245×7=
④208×6=
⑤460×8=
①ê703-427=验算:
②ê827+185=验算
③490×5=
④278×7=
⑤603×4=
⑥325×8=
89+111= 18.5-5.7= 0.4÷40%= 7.8x-5x=
÷37.5%= 0.62= ×9÷ ×9=
85-37= ×16= 204×5= 62+18×3=