Respuesta:
20a+30b= a+b+10
r+r+2+5p+3p= r²+p²+3
(m+2)(n+3)= (m+n)(2+3)
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Verified answer
Respuesta:
20a+30b= a+b+10
r+r+2+5p+3p= r²+p²+3
(m+2)(n+3)= (m+n)(2+3)