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ex 3 va rogg mult
dau coroana ​


Ex 3 Va Rogg Mult Dau Coroana class=

Răspuns :

Răspuns:

se scad puterile

a) =(5/4)*3=5/4×5/4×5/4=125/56

b) =21/13

c) =(17/4)*12÷(17/4)*10=(17/4)*2=17/4×17/4=289/16

d) =(49/9)*18÷(49/9)*17=49/9

e) =(3/2)*15÷(3/2)*11=(3/2)*4=3/2×3/2×3/2×3/2=81/16

f) =(64/15)*23÷(64/15)*22=64/15