realiza los ejercisios (son fracciones) uwu
1. 1/4 + (3/5 + 2/5)
2. 11/43 + (-11/43)
3. 11/7 + 0/1
4. (7/12 + 4/10) + 3/6
1. 1/4 + (3/5 + 2/5)
2. 11/43 + (-11/43)
3. 11/7 + 0/1
4. (7/12 + 4/10) + 3/6
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Respuesta:
1) 1/4 + 5/5 = 1/4 + 1 = 1 + 4 /5 = 4/5
2) 11/43 - 11/43 = 0
3) 11/7 + 0/1 = 11/7 + 0 = 11/7
4) (7/12 + 4/10) + 3/6 = 59/60 + 3/6 = 59/60 + 1/2 = 59 + 30 /60 = 89/60