Question

tính nhanh

12\(\dfrac{1}{4}\):\(\dfrac{4}{3}\) +4\(\dfrac{1}{4}\) :(\(\dfrac{-4}{3}\) )

Answer 1

`12 1/4 \div 4/3 + 4 1/4 \div (-4/3)`

`= 12 1/4 * 3/4 + 4 1/4 * (-3/4)`

`= 3/4 * (12 1/4 - 4 1/4)`

`= 3/4 * 8`

`= 24/4 = 6`

Answer 2

\(=\dfrac{49}{4}\cdot\dfrac{3}{4}+\dfrac{17}{4}\cdot\dfrac{-3}{4}\)

=3/4(49/4-17/4)

=3/4*8=6