Question

[Lê thị _ quỳng lâm]

1 tính.

3/5+6/4+5/2=....

6/15+5/3+2/5=...

6/18+/15+8/12=..

Answer 1

[_ _ _]

\(\frac{3}{5}+\frac{6}{4}+\frac{5}{2}=\frac{12}{20}+\frac{30}{20}+\frac{50}{20}+\frac{12+30+50}{20}\\ =\frac{92}{20}=\frac{23}{5}\)

Answer 2

[le huyen nhung]

1/=21/10 .da rut gon       2/=199/30