Question

Gente me ajuda por favor!
[2,5+4×(2-1,5)-1/4+8]

Answer 1

[2,5+4×(2-1,5)-1/4+8]

[2,5+4×(0,5)-1/4+8]

[2,5+2-1/4+8]

[4,5-1/4+8]            (tire o MMC)

[4,5+(-1+32)/4]

[4,5+31/4]       (tire o MMC)

[(18+31)/4] 

49/4