Question

(2+1/2)×4/5 calculati-mi si mie asta,va rog frumos

Answer 1

Explicație pas cu pas:

( 2 + 1 / 2 ) x 4 / 5 =

= ( 4 / 2 + 1 / 2 ) x 4 / 5

= 5 / 2 x 4 / 5

= 2

Answer 2

$(2 + \frac{1}{2} ) \times \frac{4}{5} = \\ ( \frac{4}{2} + \frac{1}{2} ) \times \frac{4}{5} = \\ \frac{5}{2} \times \frac{4}{5} = \frac{20}{10} = 2$