add 55m 78 cm and 12m 23 cm express the sum in metres and centimeters.
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3
55m = 5500cm (55m*100)
12m= 1200 cm
5578cm+1223cm
= 6801cm
= 68.01 m
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0
add 55m 78 cm and 12m 23 cm . express the sum in meters and centimetre
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