Question

Calculaţi: a) m supra 3 - m supra 4 + 5m supra 12
b) [2a supra 3 - 3a supra 2]:[-a supra 12]

Answer 1

m/3-m/4+5m/12=4m/12-3m/12+5m/12=6m/12=m/2 ////////////[2a/3-3a/2]:[-a/12]=(4a-9a)/6 :(-a/12)=-5a/6 x 12/(-a)=10