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Mathematics, 23.06.2021 15:10 nickthequick

1) O resultado da adição (+13)+(-7) +(- 6) a) -7 ( ) b) -6 ( ) c) zero ( ) d) 13 ( ) 2) Os números A e B são opostos. O valor da soma A+B é: a) zero ( ) b) A ( ) c) B ( ) d) 1 ( ) 3) O valor da expressão 0-(+6) é: a)+6 ( ) b) -6 ( ) c)-5 ( ) d) +5 ( ) 4) O valor do produto (-2)×(+2) é: a) zero ( ) b)-2 ( ) c) +2 ( ) d)-4 ( ) 5) O resultado da expressão 2×1×0××3 é: a)1( ) b) 0 ( ) c)2 ( ) d) 3 ( ) 6) O valor da divisão (-4)÷(-2) é: a)-1( ) b) -2 ( ) c) +2 ( ) d) +1 ( ) 7) Qual das sentenças a seguir é verdadeira? A)-2²=4 ( ) b) (-2)²=4( ) c) -2×2=4 ( ) d)-2×0=4 ( ) 8) Na expressão (-1)³×(-1)² o resultado é: a) -1 ( ) b) 1 ( ) c) 2 ( ) d) 0 ( ) 9) -2²+2³ = a: a) 2 ( ) b) 3 ( ) c) 4 ( ) d) 5 ( ) 10) O valor da potência 2² - 2⁴ é igual a: a)-16 ( ) b) -14 ( ) c) -12 ( ) d) -19 ( ) ME AJUD, PLSSS

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