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a=√3
b=3
c=2√3=√12
a²+b²=c²
√3²+3²=c²
3+9=c²
c=√12 odp.: tak
b)
a=2√6
b=√14
c=5√2=√50
a²+b²=c²
(2√6)²+√14²=c²
28+14=c²
c=√42 powinno wyjść √50 odp.:nie