so sánh
\(\frac{1}{2},\frac{1}{3},\frac{2}{3}\) \(\frac{4}{9},-\frac{1}{2},\frac{3}{7}\)
\(\frac{3}{124},\frac{1}{41},\frac{5}{207},\frac{2}{83}\) \(\frac{134}{43},\frac{55}{21},\frac{74}{19},\frac{116}{37}\)
\(\frac{16}{9},\frac{24}{13}\) \(\frac{-2525}{2929},\frac{-217}{245}\)
\(\frac{27}{82},\frac{26}{75}\) \(\frac{-49}{78},\frac{64}{-95}\)
Bài 1: So sánh các ps sau:
a)\(\frac{1}{2};\frac{1}{3};\frac{2}{3}\)
b)\(\frac{4}{9};-\frac{1}{2};\frac{3}{7}\)
c)\(\frac{3}{124};\frac{1}{41};\frac{5}{207};\frac{2}{83}\)
d)\(\frac{134}{43};\frac{55}{21};\frac{74}{19};\frac{116}{37}\)
e)\(\frac{16}{9};\frac{24}{13}\)
g)\(\frac{-2525}{2929};\frac{-217}{245}\)
h)\(\frac{27}{82};\frac{26}{75}\)
i)\(\frac{-49}{75};\frac{64}{-95}\)
So sánh các phân số:
a)\(\frac{3}{124},\frac{1}{41},\frac{5}{207},\frac{2}{83}\)
b)\(\frac{134}{43},\frac{55}{21},\frac{74}{19},\frac{116}{37}\)
c)\(\frac{-2525}{2929},,\frac{-217}{245}\)
d)\(\frac{27}{28},\frac{26}{75}\)
e)\(\frac{-49}{78}.\frac{64}{-95}\)
So sánh :
a)\(\frac{3}{124},\frac{1}{41},\frac{5}{207},\frac{2}{83}\)
b)\(\frac{-2525}{2929}và\frac{-217}{245}\)
c)\(A=\frac{3^{10}+1}{3^9+1}vàB=\frac{3^9+1}{3^8+1}\)
d)\(\frac{27}{82}và\frac{26}{75}\)
So sánh:
\(\frac{3}{124},\frac{1}{41},\frac{2}{83},\frac{5}{207}\)
\(\frac{-2525}{2929}v\text{à}\frac{-217}{245}\)
So sánh các phân số sau :
a) \(\frac{1}{2};\frac{1}{3};\frac{2}{3}\) e) \(\frac{4}{9};-\frac{1}{2};\frac{3}{7}\)
b) \(\frac{3}{124};\frac{1}{41};\frac{5}{207};\frac{2}{83}\) f) \(\frac{134}{43};\frac{55}{21};\frac{74}{19};\frac{116}{37}\)
c)\(\frac{16}{9}\)và \(\frac{24}{13}\) g) \(\frac{-2525}{2929}\)và \(\frac{-217}{245}\)
d) \(\frac{27}{82}\)và \(\frac{26}{75}\) h) \(\frac{-49}{78}\)và \(\frac{64}{-95}\)
So sánh:
a, \(\frac{27}{82}\)với \(\frac{26}{75}\)
b, \(\frac{-49}{78}\)với \(\frac{64}{-95}\)
c, \(\frac{2525}{2929}\)với \(\frac{217}{245}\)
d, A= \(\frac{3^{10}+1}{3^9+1}\) với B= \(\frac{3^9+1}{3^8+1}\)
e, P= \(\frac{5^4.107-53}{5^3.107+54}\) với Q= \(135.\frac{269-133}{134.269+135}\)
so sánh :
a) \(\frac{3}{124};\frac{1}{41};\frac{5}{207}và\frac{2}{83}\)
b)\(\frac{16}{9}và\frac{24}{13}\)
c)\(\frac{27}{82}và\frac{26}{72}\)
So sánh:
a, \(\frac{27}{82}\)và \(\frac{26}{75}\) b, \(\frac{134}{3}\); \(\frac{55}{21}\);\(\frac{74}{19}\); \(\frac{116}{37}\)
c, \(\frac{16}{9}\)và \(\frac{24}{13}\) d, \(\frac{-49}{78}\)và \(\frac{64}{-95}\)
bài 1:thực hiện phép tính :
a)\(\frac{3}{7}+\frac{5}{13}+\frac{4}{13}\)
b)\(\left(\frac{3}{8}+\frac{-3}{4}+\frac{7}{12}\right):\frac{5}{6}+\frac{1}{2}\)
c)\(\frac{2}{5}.\frac{1}{3}-\frac{2}{15}:\frac{1}{5}+\frac{3}{5}.\frac{1}{3}\)
d)\(\left(4-\frac{5}{12}\right):2+\frac{5}{24}\)
e)\(\frac{7}{19}.\frac{8}{11}+\frac{3}{11}.\frac{7}{19}+\frac{-1}{19}\)
f)\(\frac{9}{27}+\frac{8}{24}+\frac{18}{27}-\frac{-16}{24}+\frac{2}{3}\)
g)\(\frac{-5}{21}+\frac{-2}{21}+\frac{8}{24}\)
h)\(\frac{-5}{9}+\frac{8}{15}+\frac{-2}{11}+\frac{4}{-9}+\frac{7}{15}\)
i)\(\frac{7}{25}.\frac{39}{-14}.\frac{50}{78}\)
m.n làm nhanh cho mình nhé, chiều mình phải nộp rồi! cảm ơn m.n!
