\(888.1=888\)
\(222.100=22200\)
quy đồng
\(\frac{2}{3}=\frac{2.2}{3.2}=\frac{4}{6}\)
\(\frac{5}{2}=\frac{5.3}{2.3}=\frac{15}{6}\)
\(=nhae\)
\(=\)OOOĐỒ DỐI TRÁ OOO
\(999-111\times1\)
\(=999-111\)
\(=888\)
\(222\times1\times100\)
\(=222\times100\)
\(=22200\)
\(\frac{2}{3};\frac{5}{2}\)
\(\frac{2}{3}=\frac{2\times2}{3\times2}=\frac{4}{6}=\frac{2}{3}\)
\(\frac{5}{2}=\frac{5\times3}{2\times3}=\frac{15}{6}\)