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2,2x= najwiekszy
180-(x+2,2x)=180-3,2x= najmniejszy
2,2x-x=1,5(180-3,2x)
1,2x=270-4,8x
1,2x+4,8x=270
6x=270
x=270:6
x=45
2,2x=2,2×45=99
180-45-99=36
katy mają:45,99 i 36⁰