Calculate the formula according to the meaning of the question:
1-3/5
=5/5-3/5
=2/5
So obviously, it used a 2/5 love mode.
Fractional addition and subtraction:
Different denominator scores are added and subtracted, and then divided first, that is, using the basic properties of scores, different denominator scores are converted into the same denominator score, the unit of scores is changed without changing the size, and then the offer score can be reduced according to the addition and subtraction of the same denominator score.
Addition and subtraction of fractions with the same denominator, with the denominator unchanged, that is, the unit of fractions remains unchanged, and numerator addition and subtraction can reduce the bidding points.
(1) Montessori course string burning performance
The sequence and specific methods of the three stages are as follows: the first stage: the understanding of on