1.

3. - 2. = ?

Answer» 3.87 - 2.59 = (3 + 0.87) - (2 + 0.59) = 3 + 87 - 2 + 59 99 99 = 1 + 87 - 59 99 99 = 1 + 28 99 = 1.28.


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