May 2020 1 89 Report
Determinar o valor das expressões numéricas:
A (-2+3)x(-3-1)²-[(-5-2)²:(-1-6)+(-1)²x(-4+5)²]=
B +10:(-1)⁴+3⁰-[+20-80:(-1-3)²]=
C -3x(-4)-2²+(-1-1)⁵:(+2)⁴-5⁰=
D -5²:(+25)-(-4)²:2⁴-1²=
E 3²-2x(-2)³+[-10-3x(-1)²]+2⁰:(-1)=
F +21-4²:(+2)³+10⁰-(-36):(-8+5)²=
Faça o desenvolvimento.





















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