①402×56=
②874÷19=
③※723÷24=
76×47=
86×39=
259÷7=
①73986
②5995401
③980250
④1005000
⑴618÷30
⑵500÷82
⑶783÷37
⑷318÷35
⑤2600÷1600
验算:
①135×57=
②170×86=
③144×55=
④290×25=
⑤761×23=
⑥308×44=