tolong dijawab ya bro

1 ) 50 km + 35,7 dam + 4.500 dm =.... dm

= 50 × 10.000 = 50.000 dm
= 35,7 × 100 = 357 dm
= 4.500 dm
= 50.000 + 357 + 4.500
= 54.857 dm