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Scrieti partea intreaga si partea fractionara a numarului a=6,5'2:[5/8+(12,5-5)x2/5]-3,75-2,75


Răspuns :

a=6,5²:[5/8+(12,5-5)x2/5]-3,75-2,75
a=6,5²:[0,625+(12,5-5)x0,4]-3,75-2,75
a=6,5²:(0,625+7,5x0,4)-3,75-2,75
a=6,5²:(0,625+3)-3,75-2,75
a=6,5²:3,625-3,75-2,75
a=42,25:3,625-3,75-2,75
a=11,655-3,75-2,75

a=7,905-2,75

a=4,038-2,75

a=5,155


a=5155/1000=1031/200