Question

4 . tính :

( 1/4 + 35% + 0,65 + 75%) x ( \(1\frac{6}{9}\)+\(4\frac{8}{24}\))

Answer 1

= ( 25% + 35% + 65% + 75% ) x ( 1 + 2/3 + 4 + 1/3 )

= ( ( 25% + 75% ) + ( 35% + 65% ) ) x 6

= 2 x 6 = 12

Answer 2

\(\left(\frac{1}{4}+35\%+0,65+75\%\right)\)\(x\left(1\frac{6}{9}+4\frac{8}{24}\right)\)

\(=\left(\frac{1}{4}+\frac{7}{20}+\frac{65}{100}+\frac{3}{4}\right)\)\(x\left(\frac{15}{9}+\frac{13}{3}\right)\)

\(=\left(\frac{5}{20}+\frac{7}{20}+\frac{13}{20}+\frac{15}{20}\right)\)\(x6\)

\(=2x6\)

\(=12\)

Answer 3

= ( 25% + 35% + 65% + 75% ) x ( 1 + 2/3 + 4 + 1/3 )

= ( ( 25% + 75% ) + ( 35% + 65% ) ) x 6

= 2 x 6 

=12