8 dm + 234 mm - 57cm brp mm ??

1 dm = 100 mm
1 cm = 10 mm
_____________
8 dm = 800 mm
57 cm = 570 mm
------------------------
800mm + 234mm - 570mm
=> 1034 - 570
=> 464 mm


Semoga Bermanfaat

8 dm = 800 mm
57 cm = 570 mm
jadi, 8 dm + 234 mm - 57 cm = 800 mm + 234 mm - 570 mm = 464 mm