choi oi, kho wa a!!!!!!!!!!!!!!!!!!!!!!
choi oi, kho wa a!!!!!!!!!!!!!!!!!!!!!!
cho 25 so nguyen trong do tich cua 3 so nguyen bat ki la mot so nguyen duong chung minh rang tat ca 25 so nguyen da cho deu la so nguyen duong
Cho 2014 so nguyen, trong do tich cua 3 so bat ki luon la 1 so nguyen am.chung to rang tich cua 2014 so nguyen do la mot so nguyen duong
Ai nhanh minh tick luon
cho 25 so nguyen trong do tich cua 3 so bat ki la mot so duong.cmr tat ca 25 so do deu la so nguyen duong
cho 25 so nguyen trong do tong cua 3 so bat ki la 1 so duong . chung minh rang tong cua 25
so do la so duong
cho 25 so nguyen trong do tich cua 3 so bat ki la mot so duong.cmr tat ca 25 so do deu la so nguyen duong
cho 2014 so nguyen trong do tich cua 3 so bat ky luon la 1 so nguyen am chung to rang tich cua 2014 so nguyen do la 1 so nguyen duong
cho 2014 so nguyen trong do tich cua 3 so bat ki la 1 so am.Chung minh tich cua 2014 so do la so duong
cho 16 so nguyen trong do tich cua 3 o bat ky luon la mot so nguyen am. chung to rang tich cua 16 so nguyen do la mot so nguyen duong
minh can gap!
tich 3 so bat ki luon la 1 so am . chung to rang tich cua 16 so do la 1 so duong