8300 cm - 650 dm + 12dam = ... m

8300 cm - 650 dm + 12 dam = ... m
8300 cm = 83 m
650 dm   = 65 m
12 dam   = 120 m
83 m - 65 m + 120 m
= 18 m + 120 m
= 138 m

Semoga membantu !!! Jadikan yg terbaik yh :)

8300cm=83m
650dm=65m
12dm=120m

83m - 65m=18m
18m+120m=138m