tinh thuan tien: 2/9+4/9+5/9  , 3/8+6/16+3/5 lam nhu the nao giup minh vo minh tich cho

tim x : (x+2)/2019 + (x+3)/2018 + (x+4)/2017 + (x+5)/1008 + (x+2076)/11 = 0

lam nhu the nao giup minh voi

1.de do do dai mot doan thang ta lam nhu the nao?

2.nguoi ta lam the nao de so sanh do dai hai doan thang?

ai lam dung cho 1 like

Bai 3 lam nhu the nao vay

(x+y)^2 - (x-y)^2 lam nhu the nao

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!

2 gio 40 phut lam nhu nao de thanh 8/3 nhi

nhiem vu 1 : so tien do co tu dau ra

nhiem vu 2: so tien do em dung no de lam gi

nhiem vu 3: va em se tiet kiem tien nhu the nao 

     giup di sap nop bai cho thay roi

hai chu giong nhau lam te nao: vd:xy²-xy^{2lam nhu the nao}

 ...................................................:vd:x²​y³+x²y^{3.......................}

 đố đóbai nay ai cung biet do do mk an thu coi ai biet lm ko