= nhau
bn so sánh đơn giản nhât
vd; 12/24 =0,5
1212/2424 = 0,5
so sánh \(\frac{-41}{47}và\frac{-41414141}{4747474747}\)
ta có: \(\frac{-41}{47}=\frac{-41}{47}\)
\(\frac{-41414141}{47474747}=\frac{-41414141:1010101}{47474747:1010101}\) = \(\frac{-41}{47}\)
vì \(\frac{-41}{47}=\frac{-41}{47}\) => \(\frac{-41}{47}=\frac{-41414141}{47474747}\)
chả bít nữa!! 464575676867896958790
Ta có:\(\frac{-41}{47}=\frac{\left(-41\right).101010101}{47.10101010101}=\frac{-4141414141}{4747474747}< \frac{-41414141}{4747474747}\)
\(\Rightarrow\frac{-41}{47}< \frac{-41414141}{4747474747}\)