Question

so sanh

121212/969696                                       303030/454545

Answer 1

121212/969696  = 12/96                     303030/454545  =  30/45

rút gọn tối giản rồi quy đồng

Answer 2

121212/969696<303030/454545

Answer 3

Rút gọn :

\(\frac{121212}{969696}=\frac{1}{8}\)

\(\frac{303030}{454545}=\frac{2}{3}\)

Mà \(\frac{1}{8}< \frac{2}{3}\)

Answer 4

121212/969696=1/8                                             303030/454545=2/3

quy đồng 2 phân số::::

\(\frac{1}{8}=\frac{1x3}{8x3}=\frac{3}{24};\frac{2}{3}=\frac{2x8}{3x8}=\frac{16}{24}\)

vì 3/24<16/24 nên 1/8<2/3

vậy 121212/969696<303030/454545..............................