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34m - 856cm =	m
1520 ÷ 4 =
1486 × 0.5 =
56.70 - 18.85 =
91.23 + 48.19 =
75.45 - 16.56 =
17 × 15 =
8kg + 550gr =	kg
34m - 456cm =	m
23m + 945cm =	m