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Determinati-l pe X :
15+5 x { 5 + 5 :[45:5- (36:X+4 x 1) ]+60 x 0 }=65


Răspuns :

5 x { 5 + 5 :[9-(36:X+4) ]+0}=50
5+5:[9-(36:X+4)]=10
5:[9-(36:X+4)]=5
9-(36:X+4)=1
36:X+4=8
36:X=4
X=9
15+5 x { 5 + 5 :[45:5- (36:X+4 x 1) ]+60 x 0 }=65
5x{5+5:[9-(36:x+4)]+0}=65-15
5+5:[9-(36:x+4)]+0=50:5
5:[9-(36:x+4)]=10-5-0
9-(36:x+4)=5:5
36:x+4=9-1
36:x=8-4
x=36:4
x=9