hai so 2^2015 va 5^2015 viet trong he thap phan va viat lien nhau tao thanh 1 so.hoi so do co bao nhieu chu so

a, Tim STN x,y sao cha : [2x+1].[ y²-5]=12

b, Hai so 2²⁰¹⁵va 5²⁰¹⁵viet trong he thap phan va viet lien  nhau tao thanh 1 so . Hoi so do co bao nhieu chu so

        Giup mk voiiiii

hai so 2^99 va 5^99 viet lien nhau tao thanh mot so hoi so do co bao nhieu chu so ?

hai so 2^2015 va 5^2015 viet trong he thap phan co bao nhieu chu so

hai số 2^2015 va 5^2015 viet trong he thap phan co bao nhieu chu so

So 2^2016 viet trong he thap phan tao thanh 1 so. Hoi so do co bao nhieu chu so

So 2^2016 viet trong he thap phan tao thanh 1 so. Hoi so do co bao nhieu chu so

Khi viet lien nhau hai so 2²⁰¹⁶ va 5²⁰¹⁶ dang he thap phan ta duoc so co bao nhieu chu so ?

So 2^100 viet trong he thap phan tao thanh 1 so. Hoi so do co bao nhieu chu so

Giup minh voi, minh can gap lam