cho p la so nguyen to lon hon 3. Biet 8p+1 va p deu la so nguyen to (p lon hon 3).Hoi p+100 la so nguyen to hay hop so

bai 1:

1 hay viet lien tiep 20 chu

so 5 thanh hang ngang roi dat dau cong vao giua cacso do de tong la 1000

2. viet lien tiep 8 chu so 8 thanh hang ngang dat dau cong vao giua cac so do de tong la 1000

bai 2:

chia cac

so tu nhien tu 1 den 100 thanh 2 lop : lop chan va lop le. hoi lop nao co tong cac chu so lon hon va lon hon bao nhieu

hay vho biet co bao nhieu so thap phanco 1 chusoo hang phap than ma lon hon 97 va nho hon 100

hay cho biet co bao nhieu so thap phan co 1 chu so thap phan ma lon hon 97 ma nho hon 100

tong so hs 2 truong thcs la boi cua 498 va thuong la boi cua 5 biet so hs moi truong lon hon 100 va nho hon 1000 tinh so hs moi truong

mau cua mot phan so lon hon tu 14 don vi sau khi rut gon ta duoc phan so 993/1000.hay tim phan so ban dau

mau so cua mot phan so​ lon hon tu so 14 Đ/V,sau khi rut gon ta đc phan so 993/1000 .Hay tim phan so do

hay cho biet co bao nhieu so o phan phap than ci 1 chu so so o hang phap phan ma lon hon 97 va nho hon 100

ta da biet 4/5 < 5/6. Hay viet 3 phan so co tu so be hon 100 ma 3 phan so do deu lon hon 4/5 va be hon 5/6