cuanto es
(3/5-1/7):32/28= (3/8:6/21)+7/4=
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2
1. (3/5-1/7)/32:28=
(21-5)/35)/(32:28)=
16/35 * 28/35= 2/5
2. (3/8 : 6/21)+7/4=
(3/8 * 21/6) + 7/4=
21/16 + 7/4=
(84+28)/16= 112/16 = 7
(21-5)/35)/(32:28)=
16/35 * 28/35= 2/5
2. (3/8 : 6/21)+7/4=
(3/8 * 21/6) + 7/4=
21/16 + 7/4=
(84+28)/16= 112/16 = 7
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