√(111111 - 222) =

√(44444444 - 8888) =


Răspuns :


[tex]\it \sqrt{111111-222} =\sqrt{111\cdot1001 -111\cdot2} = \sqrt{111(1001-2)} = \\ \\ = \sqrt{111\cdot999} = \sqrt{111\cdot111\cdot9} = \sqrt{111^2\cdot3^2} = 111\cdot3 = 333 [/tex]