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se dau numerele:a=9,b=63:9,c=5×5. afla 10C-9B+(C+A×B)

Răspuns :

a=9
b=63/9=7
c=5*5=25
10c-9b+(c+a*b)=250-63+(25+63)=187+88=275
c=25
10x25-9x63+(25+9x63)
260-567+(25+567)
-307+592=285