\(\frac{20,2\times5,1-30,3\times3,4+14,58}{14,58\times460+7,29\times540\times2}\)
\(=\frac{10,1\times2\times5,1-10,1\times3\times3,4+14,58}{14,58\times460+14,58\times540}\)
\(=\frac{10,1\times\left(2\times5,1-3\times3,4\right)+14,58}{14,58\times\left(460+540\right)}\)
\(=\frac{10,1\times0+14,58}{14,58\times1000}\)
\(=\frac{14,58}{14580}\)\(=\frac{1458}{1458000}\)\(=\frac{1}{1000}\)
Bạn giỏi ghê bài này đúng hoàn toàn > .^