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Calculează, conform modelelor date. 600 dm + 200 cm = ... m 60 m + 2m = 62 m 3 m + 400 cm= ... cm 495 mm - 187 mm = ... mm 335 m + 1 570 hm = ... m 4 x 250 mm = 1000 mm 560 cm: 5= 112 cm 8 x 130m= ...m 1 190 mm: 7 = ... mm 4 km + 3 dam + 2 hm = ... dam.​