Question

9⁸.2⁸-(18⁴-1).(18⁴+1)

Answer 1

\(B=9^8.2^8-\left(18^4-1\right).\left(18^4+1\right)\)

\(=18^8-\left(18^8-1\right)\)

\(=18^8-18^8+1=1\)

Answer 2

\(9^8.2^8-\left(18^4-1\right)\left(18^4+1\right)\)

\(=18^8-\left(18^{4.2}-1\right)=18^8-18^8+1=1\)

Chúc bạn học tốt!!!