Question

determine as expressoes algebricas 3/4 - ( 3/2 - 1/4

Answer 1

Oie, Td Bom?!

= 3/4 - (3/2 - 1/4) ⇐ MMC (2 . 2 = 4).

= 3/4 - ([6 - 1]/4)

= 3/4 - 5/4

= [3 - 5]/4

= [- 2]/1

= - 2/1

Att. Makaveli1996