Các câu hỏi tương tự
tính giá trị biểu thức : A =1717/1919 * 303/1818 + 1717/1919 * 1515/1818
tính nhanh H = 1414 + 1515 + 1616 + 1717 + 1818 + 1919
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 phần 2000+2121+2222+2323+2424+2525
1414+1515+1616+1717+1818+1919 / 2020+2121+2222+2323+2424+2525 = ?
Tính nhanh: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
tính nhanh
\(\frac{1414+1515+1616+1717+1818+1919}{2020+2121+2222+2323+2424+2525}\)