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How to solve the problem of transforming the first unit of mathematics in the sixth grade of primary school? How to transform two different but related quantities into the same first unit?
Aggregate a single number into a compound number. Such as: 1.25m2 = 1 m2 and 25m2 decimeter.
Aggregate compound numbers into a single number. Such as; 3 cubic meters 50 cubic decimeters =3.05 cubic meters
Multiply the advanced unit by the advanced rate, and divide the advanced unit by the advanced rate. The same units remain the same.