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cat fac 181+x:16-19×8=60

Răspuns :

181+x:16-152=60
x:16=60+152-181
x=31*16
x=496
notam x:16 cu a
181+a-19x8=60
181+a-152=60
181+a=152+60
181+a=212
a=212-181
a=31
dar stim ca x:16=a adica cu 31
x:16=31
x=31x16
x=496