Question

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Calculati
a) 0,5×4+11/3
b) 1 2/5+3/5
c) 0,(6)-3/2-1
d)(1+2×3) la puterea a 3 :3 la puterea a 6
e) -3+2×(1+2+......+2 la puterea 2014) totul la puterea 0

Answer 1

Dau extrem de urât, cred că le-ai scris greșit, deci am înlocuit eu.

a) 0.5*[(4+11)/3]=0.5*(15/3)=0.5*5=2.5

b) 12/5+3/5=15/5=3

c)0,(6)-3/2-1=2/3-3/2-1=(4-9-6)/6=-11/5

d) [(1*2*3)^3]:3^6=3^3:3^6=3^-3=1/27

e)-3+2*(1+2+...+2^2014)^0=-3+2*1=-3+2÷-1