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skala podobieństwa pól k²=2²:3²:4²=4:9:16
4x+9x+16x=290
29x=290
x=290:29
x=10
pole1:4x=4×10=40
pole2:9x=9×10=90
pole 3:16x=16×10=160
spr. 40+90+160=290