4 dam + 60 m = ? m
4 dam = 40 m
60 m = 60 m
40 m + 60 m = 100 m
-------------------------------------
36 dam + 180 m = ? m
36 dam = 360 m
180 m = 180 m
360 m + 180 m = 540 m
--------------------------------------
148 dam + 80 m = ? dam
148 dam = 148 dam
80 m = 8 dam
148 dam + 8 dam = 156 dam
---------------------------------------------
18 km - 28 hm = ? hm
18 km = 180 hm
28 hm = 28 hm
180 hm - 28 hm = 152 hm
-----------------------------------------
57 dam - 130 m = ? m
57 dam = 570 m
130 m = 130 m
570 m - 130 m = 440 m
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2 hm - 37 dam = ? dam
2 hm = 20 dam
37 dam = 37 dam
20 dam + 37 dam = 57 dam