mình ko biết

A= 0

\(\frac{636363.37-373737.63}{1+2+3+...+2006}\)

\(=\frac{63.10101.37-37.10101.63}{1+2+3+...+2006}\)

\(=\frac{0}{1+2+3+...+2006}\)

\(=0\)

\(\frac{636363.37-373737.63}{1+2+3+...+2006}\)

\(\Rightarrow\)\(\frac{63.10101.37-37.10101.63}{1+2+3+...+2006}\)

\(\Rightarrow\frac{63.37-37.63}{1+2+3+...+2006}\)

\(\Rightarrow\frac{2331-2331}{1+2+3+...+2006}\)

\(\Rightarrow\frac{0}{1+2+3+...+2006}\)

\(=0\)

\(P=\dfrac{636363.37-373737.63}{1+2+3+...+2006}\)

Cho \(A=636363.37-373737.63\)

\(A=10101.63.37-10101.37.63\)

\(\Rightarrow A=0\)

Cho \(B=1+2+3+...+2006\)

\(B\) có số số: \(\left(2006-1\right):1+1=2006\) (số)

\(B\) có số cặp: \(2006:2=1003\) (cặp)

\(B=\left(2006+1\right).1003=2013021\)

\(\Rightarrow P=\dfrac{A}{B}=\dfrac{0}{2013021}=0\)

\(\frac{636363.37-373737.63}{1+2+3+...+2006}=\frac{63.37.10101-63.37.10101}{1+2+3+...+2006}=0\)

63.10101.37-37.10101.63=0

suy ra phep tinh =0

A = \(\frac{636363.37-373737.63}{1+2+3+4+...+2019+2020}\)

A = \(\frac{101.63.37-101.37.63}{1+2+3+4+...+2019+2020}\)

A = \(\frac{0}{1+2+3+4+...+2019+2020}\)

A = 0

Hok tốt !

A=0 Hình như thế

Ak chắc chắn

                            \(A=\frac{636363.37-373737.63}{1+2+3+...+2006}\)

                           \(A=\frac{63.10101.37-37.10101.63}{1+2+3+...+2006}\)

                         \(A=0\)

                    \(B=1\frac{6}{41}.\left(\frac{12+\frac{12}{19}-\frac{12}{37}-\frac{12}{53}}{3+\frac{3}{19}-\frac{3}{37}-\frac{3}{53}}:\frac{4+\frac{4}{17}+\frac{4}{19}+\frac{4}{2006}}{5+\frac{5}{17}+\frac{5}{19}+\frac{5}{2006}}\right).\frac{124242423}{237373735}\)

                 \(B=\frac{47}{41}.\left[\frac{4.\left(3+\frac{3}{19}-\frac{3}{37}-\frac{3}{53}\right)}{1.\left(3+\frac{3}{19}-\frac{3}{37}-\frac{3}{53}\right)}:\frac{4.\left(1+\frac{1}{17}+\frac{1}{19}+\frac{1}{2006}\right)}{5.\left(1+\frac{1}{17}+\frac{1}{19}+\frac{1}{2006}\right)}\right].\frac{124242423}{237373735}\)

                 \(B=\frac{47}{41}.\left(4:\frac{4}{5}\right).\frac{124242423}{237373735}\)

                 \(B=\frac{47}{41}.5.\frac{124242423}{237373735}\)

              \(B=\frac{47.5.124242423}{41.237373735}\)

              \(B=\frac{29196969405}{9732323135}\)

            Ủng hộ mk nha !!! ^_^

a) \(A=\frac{636363.37-373737.63}{1+2+3+...+2006}\)

\(A=\frac{10101.63.37-10101.37.63}{1+2+3+...+2006}\)

\(A=\frac{0}{1+2+3+...+2006}\)

\(A=0\)

b) \(B=1\frac{6}{41}\left(\frac{12+\frac{12}{19}-\frac{12}{37}-\frac{12}{53}}{3+\frac{3}{19}-\frac{3}{37}-\frac{3}{53}}.\frac{4+\frac{4}{17}+\frac{4}{19}+\frac{4}{2006}}{5+\frac{5}{17}+\frac{5}{19}+\frac{5}{2006}}\right).\frac{124242423}{237373735}\)

\(B=\frac{47}{41}.\frac{12}{3}.\left(\frac{1+\frac{1}{19}-\frac{1}{37}-\frac{1}{53}}{1+\frac{1}{19}-\frac{1}{37}-\frac{1}{53}}\right).\frac{4}{5}.\left(\frac{1+\frac{1}{17}+\frac{1}{19}+\frac{1}{2006}}{1+\frac{1}{17}+\frac{1}{19}+\frac{1}{2006}}\right).\frac{123}{235}\)

\(B=\frac{47.4.4.123}{41.5.235}\)

\(B=\frac{47.4.4.41.3}{41.5.47.5}\)

\(B=\frac{4.4.3}{5.5}\)

\(B=\frac{48}{25}\)

\(A=\frac{636363.37-373737.63}{1+2+3+...+2006}=\frac{63.10101.37-37.10101.63}{1+2+3+...+2006}=\frac{0}{1+2+3+...+2006}=0\)

Tương tự, câu em vừa hỏi, tử số = 0 nên A = 0