Responda as expressoes:
3x5-6-(-2)x( -2)+1=
64-{3x[10+(5-1)]}2=
8x[-9-(-10)]=
Soluções para a tarefa
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3×5-6-(-2)×(-2)+1=
15-6+2×(-2)+1=
15-6+(-4)+1=
15-6-4+1=
R=6
64-{3×[10+(5-1)]}2=
64-{3×[10+4]}2=
64-{3×14}2=
64-42+2=
R=24
8×[-9-(-10)]=
8×[-9+10]=
8×1=
R=8
15-6+2×(-2)+1=
15-6+(-4)+1=
15-6-4+1=
R=6
64-{3×[10+(5-1)]}2=
64-{3×[10+4]}2=
64-{3×14}2=
64-42+2=
R=24
8×[-9-(-10)]=
8×[-9+10]=
8×1=
R=8
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