tong cua so bi chia[SBC] va so chia[SC] la:588-49=539
neu sbc ko du thi ta co so do sau:
SBC: 6 phan = nhau
SC : 1 phan =nhau tong: 539 [ ve so do bang hinh]
tong so phan bang nhau la: 6+1 = 7[phan]
SC la : 539:7.1=77
SBC la: 588-77=511
ban hay tinh thu xem 511:77 co bang 77 du 49 ko