Tuấn Kiệt
Giới thiệu về bản thân
Bro,she is my wife :))))
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2024-10-16 16:59:09
2024-10-16 16:56:08
2024-10-16 16:36:31
2024-10-13 19:41:51
A=(\(\dfrac{1}{3}\)+\(\dfrac{2}{3}\)) - (\(\dfrac{8}{15}\)+\(\dfrac{7}{15}\)) - (\(\dfrac{1}{7}\)-\(\dfrac{8}{7}\)) = 1-1+1=1
B=(\(\dfrac{1}{4}\)-\(\dfrac{5}{4}\))+(\(\dfrac{3}{5}\)+\(\dfrac{2}{5}\))-\(\dfrac{1}{8}\) = -1+1-\(\dfrac{1}{8}\)=\(\dfrac{-1}{8}\)