=\(\frac{14x101+15x101+16x101+18x101+19x101}{20x101+21x101+22x101+23x101+24x101+25x101}\)
=\(\frac{101x\left(14+15+16+17+18+19\right)}{101x\left(20+21+22+23+24+25\right)}\)
=\(\frac{14+15+16+17+18}{20+21+22+23+24+25}=\frac{99}{135}=\frac{11}{15}\)
=\(\frac{14x101+15x101+16x101+18x101+19x101}{20x101+21x101+22x101+23x101+24x101+25x101}\)
=\(\frac{101x\left(14+15+16+17+18+19\right)}{101x\left(20+21+22+23+24+25\right)}\)
=\(\frac{14+15+16+17+18}{20+21+22+23+24+25}=\frac{99}{135}=\frac{11}{15}\)
Tính nhanh:1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525
tính nhanh
\(\frac{1414+1515+1616+1717+1818+1919}{2020+2121+2222+2323+2424+2525}\)
1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525
1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525
1414+1515+1616+1717+1818+1919 / 2020+2121+2222+2323+2424+2525 = ?
tính nhanh
\(\frac{1414+1515+1616+1717+1818+1919}{2020+2121+2222+2323+2424+2525}\)
SO sánh 1414+1515+1616+1717+1818+1919 với 11
2020+2121+2222+2323+2424+2525 15
SO sánh 1414+1515+1616+1717+1818+1919/2020+2121+2222+2323+2424+2525 với 11/15 trả lời cho mình nha đang cần gấp
1414+1515+1616+1717+1818+1919 phần 2000+2121+2222+2323+2424+2525