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Kelas 5 Matematika
Bab Pecahan

5 2/7 - 2,25 : 3 1/2
= 37/7 - 2 1/4 : 7/2
= 37/7 - 9/4 x 2/7
= 74/14 - 9/14
= 65/14
= 4 9/14