4: 3 = tứ : tam = tám : tư = 8 : 4 = 2
**** dùm mình nha
4: 3 = tứ : tam = tám : tư = 8 : 4 = 2
**** dùm mình nha
hay chung minh 4:3=2
chung minh 4:3=2
chung minh 1/2!+2/3!+3/4!+...+2015/2016!<1
Hay chung minh rang 2>5 va 0>2
Tai sao dc nhu zay
cho tam giac abc hay ve 1 doan thang chia tam giac abc thanh 2 phan ma dien tich phan nay gap 3 lan dien tich phan kia
chung minh dieu nay ton tai
cho tong 1+2+3+4+5+......+49+50 lieu co the lien tuc thay 2 sobat ki bang hieu cua chung cho toi khi duoc ket qua la 0 hay ko
cho tong :1+2+3+4+5+.....+49+50.Lieu co the lien tuc thay hai so bat ki bang hieucua chung cho toi khi duoc ket qua la 0 hay khong ?
Chao ca ban, minh la Hoa lop 5a2 truong Tieu hoc Cam Son 2. Minh ko hoc gioi toan cho lam nen mong muon ca ban hay giup minh .O lop minh co giao ra rat nhieu bai tap nhung tu khi minh vao Oline Math thi ko thay kho khan khi gap cac bai tap kho .Minh muon cac ban hay noi cho ban cua minh vao Oline Math de chung ta ko con gap cac bai tap kho chung ta co the len Oline Math de hoc hoi va tham khao nhung bai toan don gian va nhung bai toan nang cao ,cac ban nhe !^_^ Hay cung tham gia Oline Math nhe ,o day co rat nhieu cuon sach hay va bo ich giup cho cac ban them hieu biet ve nhung bai minh chua hoc !Chuc cac ban mot ngay tot lanh .Thank you !
minh co may bai toan violympic hoi kho minh ko giai duoc.Cac ban giai chi tiet giup minh nha:
1.tim 2 so tu nhien le biet tong cua chung bang 114 va giua chung co 42 so chan
2.tim 2 so tu nhien lien tiep biet tong cua chung bang 2016
3.tong 5 so le lien tiep bang 515 Tim so lon nhat
4.tim 2 so tu nhien le lien tiep co tong bang 222
5.tim 2 so tu nhien, biet tong cua chung bang 848 va giua chung co tat ca 81 so chan