Các câu hỏi tương tự
Trung binh cong cua 3 so bang 20. Neu tang so thu nhat len 2 lan thi trung binh cong cua chung la 24. Neu tang so thu hai len 3 lan thi trung binh cong cua chung la 32. Vay so thu ba la...................
cho 3 phan so,biet trung binh cong cua chung la 7/6.neu tang so thu nhat len hai lan thi trung binh cong cua chung la 41/30.neu tang phan so thu hai len hai lan thi trung binh cong cua chung la 13/9.timphan so be nhat trong ba phan so?
1 .trung binh cong cua hai phan so la 5/12 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 2/3 .tim hai phan so do .
2.trung binh cong cua ba phan so la 13 /36 .neu tang phan so thu nhat gap 2 lan thi trung binh cong cua chung bang 19/36 ,cho biet phan so thu hai lon hon phan so thu ba 1 /12. tim ba phan so do .
biet trung binh cong cua 3 so bang 58,82 neu tang so thu nhat len gap doi thi trung binh cong cua ba so bang 85,82 neu tang so thu hai gap len ba lan thi trung binh cong cua ba so bang 109,22 tim so thu ba
trung binh cong cua hai phan so bang 5/7.neu gap phan so thu nhat len 2 lan thi trung binh cong cua chung bang 3/4.tim phan so thu nhat?
trung binh cong cua hai phan so bang 14/9.neu tang phan so thu 2 gap len 4 lan thi trung binh cong cua chung bang 91/18.tim phan so thu nhat?
Biet trung binh cong cua ba so bang 58,82. Ney tang so thu nhat len gap doi thi trung binh cong cua ba so se bang85,82. Neu tang so thu hai len gap ba lan thi trung binh cong cua ba so se bang 109,22. timf so thu ba
cho 3 phan so , biet rang trung binh cong cua chung bang 7/6 . neu tang phan so thu nhat len 2 lan va giu nguyen 2 phan so con lai thi trung binh cong cua chung bang 41/30.neu tang phan so thu hai len hai lan va giu nguyen hai phan so con lai thi trung binh cong cua chung bang 13/9 . tim 3 phan so da cho.
5 nguoi lam nhanh nhat minh se tick cho
nhanh len nha
Trung binh cong moi so la 67 , trong do so thu nhat gap doi so thu ba . Neu gap so thu nhat len 2 lan va cong voi so thu ba thi trung bing cong hai so do la 118 . Tim 3 so