Gọi d = ƯCLN ( 16n + 3 ; 12n + 3 )
=> 16n + 3 \(⋮\)d12n + 3 \(⋮\)d
=> 3 ( 16n + 3 ) \(⋮\)d
4 ( 12n + 3 ) \(⋮\)d
=> 48n + 9 \(⋮\) \(⋮\)d
48n + 12 \(⋮\)d
=> 3 chia hết cho d
=> d = 1 hoặc d = 3
Sai đề rồi bạn ơi
Chung minh A la phan so toi gian 12n+1/30n+2
chung minh rang phan so 12n+3/30n+5 khong toi gian
Chung minh cac phan so sau la phan so toi gian voi moi so nguyen n :A=12n+1 tren 30n+2
Chung to rang phan so 12n+1/30n+2 la toi gian
Giai gium minh nha
Ai giai xong truoc ma dung minh tick cho
chung to rang 12n+1/30n+2 la phan so toi gian
chung to rang 12n+1 phan 30n+2 la phan so toi gian
Chung minh rang \(\frac{12n+1}{30n+2}\)la phan so toi gian ( \(n\in N\))
Chung Minh cac ps toi gian a 16n-5/6n-2
chung minh phan so 12n+1/ 30n+ 2 toi gian