12/13cm2+13/14dm2=.......dam2

langsung aja y

12/13 cm² = (12/13 × 1.000.000)dam² = 923.076,9

13/14 dm² = (13/14 × 10.000) dam² = 9.285,714 dam²

maka

923.076,9 dam² + 9.285,714 dam²

=→ 932.362,6 dam²

semoga berguna +_+