Răspuns :

EVERGREENid

Răspuns:

a) 1/2-1/3+0,5•4-3/5:18/5 =

1/2-1/3 +2-3/5•5/18 =

1/2-1/3+2-1/6 =

(3-2+12-1)/6 =

12/6 =

= 2

b) a = √200+2√8-3√32+√50

a = 10√2+4√2-12√2+5√2

a = (10+4-12+5)√2

a = 7√2

EVERGREEN

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