5 ha+ 12 dam²-15 da=.... m²

5 × 10000=50.000m
12 × 1000=12.000m
15 × 1000=15.000m
=50.000+12.000=62.000-15.000=47.000m
*maaf kalo salah, semoga membantu

5 ha=5×1000=5000m2
12 dam2=12×100=1200m2
15da=15×100=1500m2

=5000m2+1200m2-1500m2
=3800m2-1500m2
=2300m2

"semoga membantu"
mohon dimaafkan jika ada kesalahan