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Va roooog cine ma ajuata

Va Roooog Cine Ma Ajuata class=

Răspuns :

a)
1/2+1/3:1/3=1/2+1=3/2

b) (1/2) *(3/2) -(3/4)*(6/5)=3/4-3/4*6/5=3/4(1-6/5)= 3/4* (-1/5) =-3/20


c) (5/8)*(4/10)=(5/2) *(1/10) (1/2)*(1/2)=1/4
am tinut cont ca minus cu minus fac plus (la ..inmultire)