thuc hien phep chia 218 : 3,7 = 58,918918918..... tim du ta lay 218 - 3,7 x 58,91 = 0,033.
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tim so du cua phep chia 218:3,7 neu chi lay 2 chu so o phan thap phan cua thuong.
nho chi to tung buoc cua cach lam va tim so du
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Cau 2; Tim so du cua phep chia 46,68 : 15 neu chi lay thuong co 2 chu so o phan thap phan
Cau 3; Tim 2 so thap phan biet thuong cua chung = tong cua chung va = 1,5. [ phai viet ket qua la so thap phan gon nhat ]
tim so du cua phep chia 158:2,8 neu chi lay den hai chu so phan thap phan cua thuong