Răspuns :
jumatatea ( impartit la 2)
864:2=432
sfertul (impartit la 4)
48:4=12
432:12=36
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864:2=432
sfertul (impartit la 4)
48:4=12
432:12=36
---------------------------------------------------------------
864 :2 = 432
48/4 = 12
432 : 12 = 36
...................................................
48/4 = 12
432 : 12 = 36
...................................................