84380≈8万64599≈6万608320≈61万75600≈8万87890≈9万120500≈12万603000≈60万2084980≈208万199000≈20万20604200≈2060万1903200≈190万276030≈28万637200≈64万273060≈27万4054900≈405万80501000≈8050万80105000≈8011万2604000≈260万7855000≈786万6046008≈605万453970≈45万27010≈3万258900≈26万436250≈44万90088000≈9009万27052000≈2705万645890≈65万9604080≈960万597050≈60万1026530≈103万123456≈12万7089200≈709万1000600≈100万30003000≈3000万
省略万位后面的尾数,写出近似数。84380≈(8)万64599≈(6)万接下来也是一样的。60,832067,560088,7890912,05001260,300060208,49802119,90002060,4200190,320027,603063,720027,603063,720027,3060405,49008050,10008010,5000260,4000785,5000604,600845,39702,701025,890043,62509008,80002705,200064,5890960,408059,7050960,408059,7050102,653012,34567089200100060030003000