\(1\frac{1}{2}=\frac{3}{2}=\frac{15}{10}=1,5\)
Đổi từ hỗn số \(1\frac{1}{2}\) sang số thập phân ta làm như sau:
\(1\frac{1}{2}\)= \(\frac{3}{2}\) = 1,5.
viet 5 phan so thap phan lon hon 1va co mau so la 10
chuyen cac so thap phan sau thanh phan so thap phan roi chuyen sang hon so
43,2
52,04
4,01
b)chuyen cac phan so thap phan sang hon so roi sang so thap phan
45/10
2167/1000
2167/100
Tông cua 1 so thap phan va mot so tu nhien la 1245,21đichây phay cua so thap phan sangtrai 1 hang thi tađuoc 1 so thap phan moi nho hon so tu nhien 743,379
khi doi dau phay cua 1 so thap phan sang ben phai 2 chu so ta duoc so thap phan moi,luc nay hieu giua so moi va so cu la 173,25.tim so thap phan ban dau?
co mot so thap phan , neu doi dau phay cua so do sang phai 2 chu so ta duoc so thu 2 , doi dau phay sang trai 1 chu so ta duoc so thu 3 . tong 3 so la 323,52 . tim so thap phan ban dau
tong cua 1 so tu nhien va mot so thap phan=1994,34.bo dau phay cua so thap phan di ta duoc 1 so moi be hon so tu nhien 748 don vi .tim so thap phan ban dau
tim 1 so thap phan biet rang neu doi dau phay cua so do sang phai 1 chu so thi duoc so moi lon hon so can tim la 38,853
tỗng của 1 so tu nhien va 1 so thap phan bang 1994,34.Bo dau phay cua so thap phan di ta duoc 1 so moi be hon so tu nhien 748 don vi .Vay so thap phan do la?
tim 1 so thap phan biet rang neu doi dau phay cua so do sang phai 1 chu so thi duoc so moi lon hon so can tim la 38 ,853
