Respuesta:
a 1/5 × 9/9= 7/45
d 1/9 × 4/9 =9/36
b=2/3 × 3/5 = 10/9
c 5/7 ×1/14=7/70
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Respuesta:
a 1/5 × 9/9= 7/45
d 1/9 × 4/9 =9/36
b=2/3 × 3/5 = 10/9
c 5/7 ×1/14=7/70