Răspuns:
a) 5√2 + 3√2 = 8√2
b) 6√3 - 2√3 = 4√3
d) 5√7 + 3√7 = 8√7
e) 4√6 + 6√6 = 10√6
g) √7-8√7 = -7√7
h) √3 - 9√3 = -10√3
k) -7√5-5√5 = -12√5
n) 4√5-17√5 = -13√5
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Răspuns:
a) 5√2 + 3√2 = 8√2
b) 6√3 - 2√3 = 4√3
d) 5√7 + 3√7 = 8√7
e) 4√6 + 6√6 = 10√6
g) √7-8√7 = -7√7
h) √3 - 9√3 = -10√3
k) -7√5-5√5 = -12√5
n) 4√5-17√5 = -13√5