Question

1. Calculați:
a) 15+(-radical 2) +3+radical 2
b) 12+ radical 2- (-8) -20
c) 7-(-radical 3) -radical 3-5
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Answer 1

Răspuns:

a) 15+(-radical 2) +3+radical 2

b) 12+ radical 2- (-8) -20

c) 7-(-radical 3) -radical 3-5

a)18

b)radical2

c)2