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15+5×{5+5:[45:5-(36:x+4)]+6×0}=65

Răspuns :

15+5×{5+5÷[45÷5-(36÷x+4)]+6×0=65

15+5×{5+5÷[9-(36÷x+4)]=65 |-15

5×{5+5÷[9-(36÷x+4)]=50 |÷5

5+5÷[9-(36÷x+4)]=10 |-5

5÷[9-(36÷x+4)]=5 |×5

9-(36÷x+4)=25 |+9

36÷x+4=34 |-4

36÷x=30 |×36

x=30×36

x=1080

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