Question

[mai phuong linh]

Tính nhanh;

12/27+5/8+2/5+15/27+3/5+3/8

giúp mình với

Answer 1

[Su_Love_Everybody]

\(\frac{12}{27}+\frac{5}{8}+\frac{2}{5}+\frac{15}{27}+\frac{3}{5}+\frac{3}{8}\)

\(=\left(\frac{12}{27}+\frac{15}{27}\right)+\left(\frac{5}{8}+\frac{3}{8}\right)+\left(\frac{2}{5}+\frac{3}{5}\right)\)

\(=1+1+1\)

\(=3\)

Answer 2

[nguyễn phương ngân]

(12/27+15/27)+(5/8+3/8)+3/5

=1+1+3/5

=2+3/5

=13/5

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