Question

\(\frac{5.8+10.24+15.32}{10.16+20.48+30.64}\)

tính nha mk cần gấp

Answer 1

\(\frac{5\cdot8+10\cdot24+15\cdot32}{10\cdot16+20\cdot48+30\cdot64}\)

\(\frac{5\cdot8\left(1+2\cdot3+3\cdot4\right)}{10\cdot16\left(1+2\cdot3+3\cdot4\right)}\)

\(\frac{1}{4}\)

Answer 2

\(\frac{5.8+10.24+15.32}{10.16+20.48=30.64}\)

\(\frac{40+40.6+40.12}{160+160.6+160.12}\)

\(\frac{40.\left(1+6+12\right)}{160.\left(1+6+12\right)}\)

\(\frac{40}{140}=\frac{1}{4}\)