Calculează , după model.
a. 8km+15dam=
b. 250dm+4dam=
c. 19hm+2 500dm=
![Calculează După Model A 8km15dam B 250dm4dam C 19hm2 500dm class=](https://ro-static.z-dn.net/files/d48/9ef4ccead55478a2dab823ec646088e0.jpg)
a. 8 km + 15 dam = ? m
8 km = 8000 m
15 dam = 150 m
8000 m + 150 m = 8150 m
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b. 250 dm + 4 dam = ? m
250 dm = 25 m
4 dam = 40 m
25 m + 40 m = 65 m
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c. 19 hm + 2500 dm = ? dam
19 hm = 190 dam
2500 dm = 25 dam
190 dam + 25 dam = 215 dam