12/13,34/31,11/14,33/32,15/15[tim phan so lon nhat phanso be nhat]chu y; phai neu cach giai
cac ban nho lam bai giai giup minh nhe!
Trong cac hinh chu nhat co dien tich la 40m2 thi hinh chu nhat nao co chu vi lon nhat?
tim so tu nhien x lon nhat sao cho : 3.5 x X < 15
giai giup minh nhe
quan gi lon nhat ?
cho 3 so tu nhien,trong do 2 lan so thu nhat bang 3 lan so thu hai va bang 5 lan so thu ba.tim so thu hai,biet rang hieu cua so lon nhat va so be nhat bang 72 (giai ra ro rang giup minh nhe)
trung binh cong cua 5 so le lien tiep bang 2011
vay so lon nhat trong 5 so do la ....
ai giai giup minh voi
hai be hinh hop chu nhat co cung chieu cao la 1m. day be thu nhat co chieu dai gap doi chieu rong . day be thu 2 co chu vi lon hon be day be thu nhat 36 dm va chieu rong bang chieu rong day be thu nhat.tinh the tich moi be biet rang the tich cua be thu 2 lon hon the tich cua be thu nhat 5.76m3.
giai chi tiet. mk se tick cho 5 nguoi co cau tra loi dung nhat va nhanh nhat.
tim so tu nhien sao cho dem so do chia cho 9 thi duoc thuong la 7 va so du la so lon nhat co the.(giai ra giup minh nhe)
neu chuyen so thu nhat sang so thu hai 7 don vi thi so thu hai lon hon so thu nhat 20 don vi va ti so cua hai so do la 7/13.tim hai so do
nho ghi loi giai nha