a)17/4 – 17/16 – 17/64 + 17/256 b)13 – 13/4 – 13/16 + 13/64 01/10/2021 Bởi Cora a)17/4 – 17/16 – 17/64 + 17/256 b)13 – 13/4 – 13/16 + 13/64
Đáp án+Giải thích các bước giải: $\\a)\dfrac{17}{4}-\dfrac{17}{16}-\dfrac{17}{64}-\dfrac{17}{256}\\=\dfrac{1088}{256}-\dfrac{272}{256}-\dfrac{68}{256}+\dfrac{17}{256}\\=\dfrac{765}{256}$ $\\b)13-\dfrac{13}{4}-\dfrac{13}{16}+\dfrac{13}{64}\\=\dfrac{832}{64}-\dfrac{208}{64}-\dfrac{52}{64}+\dfrac{13}{64}\\=\dfrac{585}{64}$ Bình luận
Đáp án+Giải thích các bước giải:
$\\a)\dfrac{17}{4}-\dfrac{17}{16}-\dfrac{17}{64}-\dfrac{17}{256}\\=\dfrac{1088}{256}-\dfrac{272}{256}-\dfrac{68}{256}+\dfrac{17}{256}\\=\dfrac{765}{256}$ $\\b)13-\dfrac{13}{4}-\dfrac{13}{16}+\dfrac{13}{64}\\=\dfrac{832}{64}-\dfrac{208}{64}-\dfrac{52}{64}+\dfrac{13}{64}\\=\dfrac{585}{64}$