Các câu hỏi tương tự
Sap xep cac phan so sau theo thu tu tu be den lon;
a,4343/4444 ; 1515/ 1616 ; 71/72 ; 93/94
b, 1717/1515 ; 127 127/125 125 ; 93/91 ; 111/109
so sánh :
\(\frac{111111}{666665}\)và\(\frac{1212+1313+1414+1515+1616}{1717+1818+1919+2020+2121}\)
Cho cac phan so sau:
80/79,29/28,2013/2012,112/111
Hay xep cac phan so sau theo thu tu tu lon den be
Cho cac phan so sau:
27/23,2010/2007,71/67,125/121
Sap xep theo thu tu tu be den lon
Chocac chu so 1;2;0.
a, Tu cac chu so do , hay viet cac so tu nhien co ba chu so moi so co du ba chu so do . Xep cac o do theo thu tu tu be den lon .
b, Tu cac chu so do , hay viet cac so thap phan co ba chu so , moi so co du ba chu so va phan nguyen co mot chu so . Xep cac so do theo thu tu tu lon den be .
a) \(\frac{1}{3}\)+ \(\frac{1}{15}\)+\(\frac{1}{35}\)+\(\frac{1}{63}\)+\(\frac{1}{99}\)+\(\frac{1}{143}\)+\(\frac{1}{195}\)
b)\(\frac{1414+1515+1616+1717+1818+1919}{2020+2121+2222+2323+2424+2525}\)
tu cac chu so 0,1,3,5 hay viet cac so thap phan be hon 1 ,moi so thap phan deu co ba chu so khac nhau . xep cac so do theo thu tu
tu lon den be;
tu be den lon ;
tính nhanh
\(\frac{1414+1515+1616+1717+1818+1919}{2020+2121+2222+2323+2424+2525}\)
chứng tỏ phân số bằng nhau
\(\frac{123}{127}=\frac{123123}{127127}\)
\(\frac{13}{15}=\frac{1313}{1515}=\frac{131313}{151515}\)