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a fost răspuns

Calculaza
a=2+3x(2+8)-9x0
b=2x4x5-4x9+2x1
c=3x4x2x10x0+2
a-bxc=
a-b+5xc=
a-2x(b+c )=

Răspuns :

a=2+3x(2+8)-9x0=2+3x10-0=2+30-0=32
b=2x4x5-4x9+2x1=40-36+2=4-2=2
c=3x4x2x10x0+2=0+2=2
a-bxc=32-2x2=32-4=28
a-b+5xc=32-2+5x2=32-2x10=32-20=12
a-2x(b+c)=32-2x(2+2)=32-2x4=32-8=24

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