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17mm+83mm=......cm?
48m-38m=....cm=....mm?
375m+138m=.....m?


Răspuns :

1. 17 mm + 83 mm = 100 mm = 10 cm
2. 48 m - 38 m = 10 m = 1000 cm = 10000 mm
3. 375 m + 138 m = 533 m