8/11 + 5/7 + 3/11 + 2/7 - 5/5 = 1
\(\frac{8}{11}-\frac{5}{7}+\frac{3}{11}-\frac{2}{7}+\frac{5}{5}=1\)
\(V\text{ì}\frac{8}{11}+\frac{3}{11}-\left(\frac{5}{7}+\frac{2}{7}\right)+\frac{5}{5}=1\)
\(\frac{11}{11}-\frac{7}{7}+\frac{5}{5}=1\)
\(1-1+1=1\)
Trả lời:
\(\frac{8}{11}-\frac{5}{7}+\frac{3}{11}-\frac{2}{7}+\frac{5}{5}=\)\(1\)
#HỌC TỐT#
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Giải:
\(\frac{8}{11}\) + \(\frac{5}{7}\) - \(\frac{3}{11}\) + \(\frac{2}{7}\) + \(\frac{5}{5}\)
Thử lại
\(\frac{8}{11}\)+\(\frac{5}{7}\)-\(\frac{3}{11}\)+\(\frac{2}{7}\)+\(\frac{5}{5}\)
= ( \(\frac{8}{11}\)+\(\frac{3}{11}\)) - ( \(\frac{5}{7}\)+\(\frac{2}{7}\)) + \(\frac{5}{5}\)
= 1 - 1 + 1 = 1
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1
hok tốt!!!!!!!!!!!!