Respuesta :

qt2011
(18/25)2+41/50
36/50+41/50=77/50=1.54

18/25=0.72
41/50=0.82

0.72+0.82=1.54
18/25=0.72
0.72+41=41.72
41.72/50= 0.8344

hope this helps!

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