Question

2/3-5/7.14/225

 

Answer 1

\(\frac{2}{3}-\frac{5}{7}\cdot\frac{14}{225}\)

\(=\frac{2}{3}-\frac{2}{45}\)

\(=\frac{28}{45}\)

Tk mk nha!

Answer 2

 \(\frac{2}{3}-\frac{5}{7}\cdot\frac{14}{225}\)

\(=\frac{2}{3}-\frac{5\cdot14}{7\cdot225}\)

\(=\frac{2}{3}-\frac{5\cdot7\cdot2}{7\cdot5\cdot45}\)

\(=\frac{2}{3}-\frac{2}{45}\)

\(=\frac{30}{45}-\frac{2}{45}\)

\(=\frac{28}{45}\)

tk mình nha!   ◘_◘

Answer 3

2/3-5/7.14/225=2/3-2/45=28/45

NHA 

Answer 4

Ta có: 2/3-5/7*14/225

=2/3 - 5*14/7*225

=2/3 - 70/7*225

=2/3 - 70/1575

=3/3 - 2/45

= 68/45
 

Answer 5

nhầm 28/45 nha bạn