Tim so co 3 chu so biet rang chu so hang tram gap 2 lan chu so hang don vi va chu so hang don vi gap 3 lan chu so hang chuc Tim so do ?
Bai nay hoi kho mot chu nha!
tim so co 4 chu so,biet chu so hang don vi gap 2 lan chu so hang chuc ,chu so hang chuc gap 2 lan chu so hang tram ,chu so hang tram gap 2 lan chu so hang nhginn.So do la: ?
TIM SO CO BA CHU SO BIET TRUNG BINH CONG 3 SO DO BANG 3 ,CHU SO HANG DON VI GAP DOI TONG CAC CHU SO HANG TRAM VA HANG CHUC
Tim mot so co ba chu so biet trung binh cong cua ba so do bang 2va chu so hang tram bang tong cac chu so hang chuc va hang don vi
Tim so co ba chu so hang tram hon chu so hang chuc 6 don vi va chu so hang chuc tru di chu so hang don vi bang 3
tim so co ba chu so ma chu so hang chuc gap 3 lan chu so hang tram ,chu so hang don vi gap 3 lan chu so hang chuc
cho so le co ba chu so .biet chu so hang tram gap 2 lan chu so hang chuc ,chu so hang chuc gap 3 lanchu so hang don vi . so da cho la ........
tim 3 chu so biet rang chu so hang chuc bang1/2 chu so hang tram chu so hang don vi bang 1/4 chu so hang chuc so9 can tim la (cac ban giup minh nha) ^ ^
tim so co 3 chu so biet chu so hang chuc hon chu so hang tram 9 don vi, chu so hang tram tru di chu so hang don vi bang 4