Question

Tích mik nhae

mik sẽ tích lại

\(999-111.1\)

\(222.1.100\)

quy đồng \(\frac{2}{3};\frac{5}{2}\)

Answer 1

\(888.1=888\)

\(222.100=22200\)

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

Answer 2

\(999-111\times1\)

\(=999-111\)

\(=888\)

\(222\times1\times100\)

\(=222\times100\)

\(=22200\)

\(\frac{2}{3};\frac{5}{2}\)

\(\frac{2}{3}=\frac{2\times2}{3\times2}=\frac{4}{6}=\frac{2}{3}\)

\(\frac{5}{2}=\frac{5\times3}{2\times3}=\frac{15}{6}\)