działania na liczbach - zadanie w załaczniku - prosze o pilna pomoc
a) √2 · √6 = √12 = √3·√4= 2√3
b) 2√3 · √18 = 2√54 = 6√6
c) 7√10 ·½ √5 = 7 · ½ · √50 = 3,5 ·5 √2= 17½√2
d) √50 + √2= 5√2+√2= 6√2
e) √300 - 2√3= 10√3 - 2√3 = 8√3
f) -2√32 - 2√8 = -4√8 - 2√8 = -6√8= -12√2
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a) √2 · √6 = √12 = √3·√4= 2√3
b) 2√3 · √18 = 2√54 = 6√6
c) 7√10 ·½ √5 = 7 · ½ · √50 = 3,5 ·5 √2= 17½√2
d) √50 + √2= 5√2+√2= 6√2
e) √300 - 2√3= 10√3 - 2√3 = 8√3
f) -2√32 - 2√8 = -4√8 - 2√8 = -6√8= -12√2