Question

trả lời z là đủ r đến lượt hỏi:

75% - \(1\dfrac{1}{2}\) + 0,5 . \(\dfrac{12}{5}\)

Answer 1

=3/4-3/2+1/2.12/5

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

=-3/4+6/5=9/20

Answer 2

\(\dfrac{75}{100}-\dfrac{3}{2}+\dfrac{1}{2}\times\dfrac{12}{5}=\dfrac{3}{4}-\dfrac{3}{2}+\dfrac{6}{5}=\dfrac{15}{20}-\dfrac{30}{20}+\dfrac{24}{20}=\dfrac{9}{20}\)

Answer 3

\(75\%-1\dfrac{1}{2}+0,5\cdot\dfrac{12}{5}=\dfrac{3}{4}-\dfrac{3}{2}+\dfrac{1}{2}\cdot\dfrac{12}{5}=\dfrac{3}{4}-\dfrac{3}{2}+\dfrac{12}{10}=\dfrac{15}{20}-\dfrac{30}{20}+\dfrac{24}{20}=\dfrac{15-30+24}{20}=\dfrac{9}{20}\)

Answer 4

Answer 5

3/4 - 3/2 + 1/2 . 12/5

= 3/4 - 6/4 + 6/5

= -3/4 + 6/5

= -15/20 + 24/20

= 9/20 

Answer 6

= 3/4 - 3/2 + 1/2 * 12/5

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

= -3/4 + 6/5

= 9/20