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hieu cua 2 so hap phan la 70.78 neu dich chuyen dau phay cua so tru sang ben phai 1 hang thi hieu moi la 30.64 tim 2 so thap phan do
tong hai so thap phan la 60,1 .Neu dich chuyen dau phay cua so nho sang phai mot chu so thi duoc so moi hon so lon 219,52 don vi .Tim so be
hieu cua hai so thap phan la 70,78. neu dich dau phay cua so tru sang phai mot hang thi hieu moi la 30,64 . tim hai so thao phan do.
tong 2 so thap phan la 60,1 neu dich chuyen dau phay cua so nho sang hai 1 chu so thi duoc so moi hon so lon 219,52 don vi tim so be
2 so thap phan co hieu la 13 .21 neu doi doi dau phay cua so be sang phai 1 hang roi cong voi so lon ta duoc 41.15 tim 2 so do
tong 2 so thap phan la 46,64. Neu doi dau phay cua so be sang ben phai 1 hang thi dc so lon. Tim so be
tong cua mot so tu nhien va mot so thap phan mot hoc sinh quen mat dau phay o so thap phan va cong nhu cong hai so tu nhien nen duoc ket qua la 689 tim so tu nhien do
hieu hai so la 19.8 khi dich dau phay cua so be sang ben phai 1 so thi bang so lon tim hai so do
hai so thap phan co hieu la16,5 neu di dau phay ua so lon ang phai 1 hang so a giu nguyen so be thi hieu 2 so la 306,1.tim 2 s thap phan do
hai so thap phan co tong la 10,94 chuyen dau phay cua so be sang trai 1 hang roi tru di so lon duoc 2,81 tim 2 so thap phan do