Question

3 * 7/10 + 7/10 * 5 + 2 *7/10

 

Answer 1

3 x 7/10 + 7/10 x 5 + 2 x 7/10

= 7/10 x (3+5+2)

= 7/10 x 10

= 7

Answer 2

\(3\cdot\frac{7}{10}+\frac{7}{10}\cdot5+2\cdot\frac{7}{10}\)

\(=\left(3+5+2\right)\cdot\frac{7}{10}\)

\(=10\cdot\frac{7}{10}=7\)

Answer 3

ten se bang; 7

Answer 4

\(3\)x \(\frac{7}{10}\)+ \(\frac{7}{10}\)x \(5\)+ \(2\)x \(\frac{7}{10}\)= \(\frac{21}{10}+\frac{35}{10}+\frac{14}{10}=\frac{56}{10}+\frac{14}{10}=\frac{70}{10}=7\)

Answer 5

3 x 7/10 + 7/10 x 5 + 2 x 7/10

= ( 3 + 5 + 2 ) x 7/10

= 10 x 7/10

= 7

Answer 6

3*7/10+7/10*5+2*7/10=7/10*(3+5+2)=7/10*10=7