a) \sqrt{8}
b) \sqrt{18}
c) \sqrt{48}
d) \sqrt{72}
źródło: Matematyka
a) \sqrt{8} = \sqrt{4*2} = 2\sqrt{2}
b) \sqrt{18} = \sqrt{9*2} = 3\sqrt{2}
c) \sqrt{48} = \sqrt{4*12} = 2\sqrt{12}
d) \sqrt{72} = \sqrt{9*8} = 3\sqrt{8}
a) \sqrt8=\sqrt{4*2}=2\sqrt2
b)
\sqrt{18}=\sqrt{9*2}=3\sqrt2
c) \sqrt{48}=\sqrt{16*3}=4\sqrt3
d)
\sqrt{72}=\sqrt{36*2}=6\sqrt2