tim 3 so co trung binh cong bang 62, biet moi so bang 1/5 so lien sau
trung binh cong cua ba sola so lon nhat co hai chu so tim moi so do biet so thu nhat bang mot phan nam so thu hai so thu ba bang trung binh cong hai so dau
TRung binh cong cua ba so la 50 tim so thu ba biet rang no bang trung binh cong cua2 so dau?
̀THONG MINH MOI GIAI DĆ́
Tim 7 so lien tiep,biet trung binh cong cua chung bang so le lon nhat co hai chu so
giup minh
tim trung binh cong cua 3 so bang so lon nhat co hai chu so,biet so thu nhat bang so thu hai va bang 78, tim so thu ba
tim so co ba chu so biet trung binh cong ba chu so nay bang 2 va chu so hang tram bang tong cac chu so chuc va don vi
TRUNG BINH CONG CUA HAI SO BANG SO BE NHAT CO BA CHU SO . TIM HAI SO DO , BIET SO LON GAP RUOI SO BE .
Tim 4 so chan lien tiep , biet trung binh cong cua chung bang 68
tim so trung binh cong cua ba so la 100 tim so thu hai biet no bang trung binh cong cua hai so con lai
