Các câu hỏi tương tự
Tim so tu nhien x, biet rang tong cac chu so chua x bang y, tong cac chu so cua y bang z va x+y+z =60
biet rang BCNN(a,b).UCLN(a,b)=a.b
a, tong cua hai so bang 60,tong giua UCLN va BCNN cua chung la 84 tim hai so do
tim so co 3 chu so biet rang tong cua no va cac chu so cua no la 190
Biet rang : BCNN(a,b).UCLN(a,b)
a, BCNN cua hai so la 600, UCLN cua chung nho hon 10 lan BCNN. So thu 1 la 120, tim so thu 2.
b, UCLN cua hai so la 12, BCNN cua chung lon gap 6 lan UCLN . So t 1 la 24, tim so t 2
c, Tong cua hai so bang 60, tong giua UCLN va BCNN cua chung la 84. Tim hai so do.
tim 1 so tu nhien biet rang tong cac chu so do va 5 lan tich cua chu so hang chuc va hang don vi la 175
Tong cua ba so bang -84.tim cac so do biet rang ti so giua so thu nhat va so thu gai la 1/2 va giua so thu hai voi so thu ba la 1)20
m so tu nhien co 2 chu so biet rang so do bang 9 lan tong cac chu o cua no
tim so chinh phuong n co ba chu so biet rang n chia het cho 5 va neu nhan n voi 2 thi tong cac chu so cua no khong doi
tim 1 so co 2 chu so . biet so do la lap phuong cua so tu nhien va tong cac chu so cua no bang binh phuong cua mot so tu nhien