Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
Tim cac phan so theo thu tu tu cac phan sô 6/10 ,44/66,30/55 sao cho mau cua phan so thu nhat bang tu cua phan so thu hai ,mau phan so thu hai bang tu cua phan so thu ba
Tim 2 chu so tan cung cua 7*2015 (* la so mu nha cac ban)
tim chu so tan cung cua cac so 571999;931999
tim chu so tan cung cua 5^2019 ( co cach giai nhe cac ban )
tim chu so tan cung cua 2^3129( co cach giai nha cac ban )
tim chu so tan cung cua 19^19^2005 (cac ban giup minh nhe)
tim chu so tan cung cua cac so sau:
20^200 vaf 200^400
tim tat ca cac so nguyen to sao cho tong binh phuong cua chung cung bang 1 so nuyen to
tim 3 so nguyen to lien tiep sao cho tong cac binh phuong cua no cung la so ngyen to da
