Tính:
35m + 24m = ...
46km − 14km = ...
13mm + 62mm = ...
3km × 2 = ...
24m : 4 = ...
15mm : 3 = ...
35m + 24m = 59m
46km − 14km = 32km
13mm + 62mm = 75mm
3km × 2 = 6km
24m : 4 = 6m
15mm : 3 = 5mm
-- Mod Toán 2
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