Question

TÍNH\(\frac{3X5X7}{21X10}\)

Answer 1

\(\frac{3X5X7}{21X10}=\frac{105}{210}\)

Answer 2

\(\frac{3x5x7}{21x10}=\frac{5}{10}=\frac{1}{2}\)

Answer 3

\(\frac{3X5X7}{21X10}=\frac{105}{210}\)

Answer 4

\(\frac{3X5X7}{21X10}=\frac{105}{210}=\frac{1}{2}\)