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(7/32+1/40+6/96):71/480

Răspuns :

(7/32+1/40+6/96):71/480 =
= (15*7+12*1+5*6)/480: 71/480 =
= (105+12+30)/480: 71/480 =
= 147/480:71/480 =
= 147/71