Question

Tính nhanh : 32x53-21/53x31+32

Answer 1

\(\frac{32.53-21}{53.31+32}=\frac{53.31+53.1-21}{53.31+32}=\frac{53.31+53-21}{53.31+32}=\frac{53.31+32}{53.31+32}=\frac{1}{1}=1\)

Answer 2

\(\frac{32.53-21}{53.31+32}=\frac{31.53+53-21}{53.31+32}=\frac{31.53+32}{53.31+32}=1\)