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ma puteti ajuta?
90
×100-[13×(428÷4-62)+(2x647)+(945÷5-768÷3÷4)]=


Răspuns :

90×100-[13×(428÷4-62)+(2x647)+(945÷5-768÷3÷4)]=
=9000-[13×(107-62)+1294+(189-256÷4)]=
=9000-[13×45+1294+(189-64)]=
=9000-(585+1294+125)=
=9000-(1879+125)=
=9000-2004=
=6996


90×100-[13×(428÷4-62)+(2x647)+(945÷5-768÷3÷4)]=
90×100-[13×(107-62)+1294+ (189-256:4)]=
90×100-[13×45+1294+(189-64)]=
90×100-(13×45+1294+125)=
90×100-(585+1294+125)
90×100-(1879+125)=
90×100-2004
9000-2004=6996