b) 12/35 , comprobacion 12/35 x 5/4 = 3/7
c) = 40/21, comprobacion 40/21 x 7/10 = 4/3
d) = 21/40, comprobacion 21/40 x 4/3 = 7/10
II.
2 x 3 = a
6 = a
El lado a = 6
Comprobamos
15 =
15 = 5 X 3
15 = 15
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Verified answer
b) 12/35 , comprobacion 12/35 x 5/4 = 3/7
c) = 40/21, comprobacion 40/21 x 7/10 = 4/3
d) = 21/40, comprobacion 21/40 x 4/3 = 7/10
II.
2 x 3 = a
6 = a
El lado a = 6
Comprobamos
15 =
15 = 5 X 3
15 = 15