bai 12:Mot vuon co so cay buoi bang 1phan2 cay cam,biet so cay cam bang so chan lon nhat co 3 chu so.Hoivuon do co tat ca bao nhieu cay buoi va cam?
bai 13:tim tich cua so nho nhatco ba chu so khac nhau voi so chan lon nhat co mot chu so.
bai 14:tim mot so,biet rang giam so do di 5 lan sau do them 10 don vi thi duoc so le nho nhat co hai chu so.
bai 15:tim mot so biet rang neu gap so do len 4 lan,duoc bao nhieu lai gap len 6 lan thi duoc 360.
bài 1: a) binh nghi ra mot so .Biet rang so lon nhat co hai chu so hon so do la 65.tim so binh da nghi.
b) an nghi ra mot so. biet rang so do be hon so be nhat co ba chu so la 15. tim so an da nghi.
bai 2: tu ba chu so 5, 2, 3 an lap duoc so lon nhat va so be nhat co mat du ba chu so do , roi tinh hieu hai so vua lap duoc . hieu do la bao nhieu ???nhanh len nhe mik dang can rat gap
khi gap tong cua so chan lon nhat co 3 chu so khac nhau va so le co 2 chu so giong nhau lon hon 80 len 4 lan thi duoc ket qua...?
Tim tich cua so be nhat co 3 chu so khac nhau va so lon nhat co mot chu so?
tim tich so nguyen am lon nhat co 1 chu so va so tu nhien nho nhat co 2 chu so
trong 1 phep chia so chia la so chan lon nhat co 1 chu so thuong la so le nho nhat co 4 chu so khac nhau con so du la so du lon nhat co the cua phep chia do tim so bi chia
tim hieu cua so lon nhat co 3 chu so co tong cac chu so la 17 va so be nhat co 3 chu so co tong cac chu so bang 17
tim tich cua so lon nhat co 2 chu so va so nho nhat co 3 chu so
trong mot phep du ,biet so chia la so chan lon nhat co mot chu so, thuong bang 245 va biet so du la so lon nhat co the co .tim so bi chia cua phep ting do?