Question

tinh bang cach thuan tien

7 / 19 * 1 /3  + 7 / 19 * 2 / 3

Answer 1

=\(\frac{7}{19}\) * \(\left(\frac{1}{3}+\frac{2}{3}\right)\)

=\(\frac{7}{19}\)*  \(1\)

=\(\frac{7}{19}\)

Thế đó,đơn giản dzậy thôi!!!GOOD LUCK !!!

Answer 2

7 / 19 * 1 / 3 + 7 / 19 * 2 / 3

= 7 / 19 * ( 1 / 3 + 2 / 3 )

= 7 / 19 * 1

= 7/ 19