Rút gọn 16^5 × 9^9 2^19 × 3

1 bình luận về “Rút gọn 16^5 × 9^9 2^19 × 3”

1. Giải đáp:

   $\begin{array}{l}{16}^5{.9}^9–2^{19}.3\\ ={\left(2^4\right)}^5.{\left(3^2\right)}^9–2^{19}.3\\ =2^{20}{.3}^{18}–2^{19}.3\\ =2^{19}.3.\left(2^1{.3}^{17}–1\right)\\ =2^{19}.3.\left({2.3}^{17}–1\right)\end{array}$

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