tim so thap phan a,bc biet a,bc = 10:(a+b+c)
tim so thap phan a,bc biet a,bc=10:(a+b+c)
tim so thap phan a,bc biet a,bc = 10 : ( a + b+ c
co the tim dc 2 c/s sao cho p/s a/b =so thap phan a,b hay ko
co the tim duoc hai chu so a va b sao cho phan so \(\frac{a}{b}\) bang so thap phan a,b hay khong ?
Ta da biet : trong he so ghi so thap phan ,cu muoi don vi o mot hang thi lam mot trong muoi gia tri :
So abcd trong he thap phan co gia tri bang :
a.10^3+b.10^2+c.10+d
Co mot he so cu hai don vi o mot hang thi lam thanh mot don vi o hang tren lien truoc do la he nhi phan moi chu trong he hai gia tri nhi phan chang han abcd ,mot trong hai gia tri 0va 1 mot so trong he thap phan chang han abcd duoc ki hieu abcd
Cho 1so tu nhien va mot so thap phan co tong bang 2032,11.Bo di day phay cua so thap phan do di thi tong se=4023 .Tim so thap phan do
tim cac so tu nhien n de cac phan so sau viet duoc duoi dang phan so thap phan:a,n+2/300 b,11.(n-1)/924
giup to voi.tim so thap phan a,b
a,bx4,5=b,a