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sper ca se intelege. Help me

Sper Ca Se Intelege Help Me class=

Răspuns :

[tex]4^{32}+4^{31}-20*4^{30}=\\ 4^{30}(-20+4+4^2)=\\ 4^{30}(-20+4+16)=\\ 4^{30}(-20+20)=\\ 4^{30}*0=0[/tex]