1-79-56 bang bao nhieu vay cac ban
neu 1=5, 2=10, 3=15, 4=20, vay 5 se bang may?
cac ban mo ngoac dong ngoac bang cach nao vay
X+2x=234 bang bao nhieu vay may ban
neu co ba o vuong, o thu 1 co 3 so nhu sau: 2, -1, -3. O thu 2 co 3 so: 5, -4, 3, va o cuoi cung cung co 3 so: -5, 6, 9. Vay nguoi ta hoi lam the nao de cho tong cua ba hop duoc bang nhau, nhung cac ban chi duoc di chuyen mot so cua o nay qua o khac thoi nhe, nho day. Ban nao tra loi duoc cho mik ket ban nhe!
1 em mac vay + 2 em mac vay bang may em mac vay
OC SEN CO MAY TUA DAU VAY CAC BAN AI TRA LOI MAU DUNG MINH K
bai nay lam sao vay may ban
1+2-3+4-5+6....-2015+2016
1+(-2)+3+(-4)+...+2001+(-2002)+2003 cac ban giai giup minh may ban nho ghi lai giai