=(8/27+19/27)+(4/15+11/15)
=27/27+15/15
=1+1
=2
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{8}{27}+\frac{19}{27}\right)+\left(\frac{4}{15}+\frac{11}{15}\right)\)
\(=1+1=2\)
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{8}{27}+\frac{19}{27}\right)+\left(\frac{4}{15}+\frac{11}{15}\right)\)
\(=1+1\)
\(=2\)
(8/27+19/27)+(4/15+11/15)
=27/27+15/15
=1+1
=2
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{8}{27}+\frac{19}{27}\right)+\left(\frac{4}{15}+\frac{11}{15}\right)\)
\(=\frac{27}{27}+\frac{15}{15}\)
\(=2\)
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{4}{15}+\frac{11}{15}\right)+\left(\frac{19}{27}+\frac{8}{27}\right)\)
\(=\) \(1+1\)
\(=\) \(2\)
:D
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{8}{27}+\frac{19}{27}\right)+\left(\frac{4}{15}+\frac{11}{15}\right)\)
\(=\frac{27}{27}+\frac{15}{15}\)
\(=1+1\)
\(=2\)
\(\frac{8}{27}\)+ \(\frac{4}{15}\)+ \(\frac{19}{27}\)+ \(\frac{11}{15}\)
= ( \(\frac{8}{27}+\frac{19}{27}\)) + ( \(\frac{4}{15}+\frac{11}{15}\))
= 1 + 1
= 2
Tham khảo nha !
Chúc bạn học giỏi !
^^
\(\frac{8}{27}+\frac{4}{15}+\frac{19}{27}+\frac{11}{15}\)
\(=\left(\frac{8}{27}+\frac{19}{27}\right)+\left(\frac{4}{15}+\frac{11}{15}\right)\)
\(=\frac{27}{27}+\frac{15}{15}\)
\(=1+1\)
\(=2\)
