• 2022-05-29 问题

    ​如下哪个表达式同(A>8)&&(A&#91;18)是等价的?​​Which of the following expressions is equivalent to (A&#93;8)&&(A<18)?​ A: !(A<8)&&!(A>18) B: !(A<=8)&&!(A>=18) C: !(A>8||A<18) D: A<8||A>18

    ​如下哪个表达式同(A>8)&&(A&#91;18)是等价的?​​Which of the following expressions is equivalent to (A&#93;8)&&(A<18)?​ A: !(A<8)&&!(A>18) B: !(A<=8)&&!(A>=18) C: !(A>8||A<18) D: A<8||A>18

  • 2022-05-29 问题

    ‌如下哪个表达式同A>8 AND A&#91;18是等价的?‏‌Which of the following expressions is equivalent to A &#93; 8 AND A < 18?‏ A: NOT(A<8)AND NOT(A>18) B: NOT(A<=8)AND NOT(A>=18) C: NOT(A>8 OR A<18) D: A<8 OR A>18

    ‌如下哪个表达式同A>8 AND A&#91;18是等价的?‏‌Which of the following expressions is equivalent to A &#93; 8 AND A < 18?‏ A: NOT(A<8)AND NOT(A>18) B: NOT(A<=8)AND NOT(A>=18) C: NOT(A>8 OR A<18) D: A<8 OR A>18

  • 2022-05-30 问题

    -18的绝对值是(  ) A: 18 B: -18 C: 8 D: -8

    -18的绝对值是(  ) A: 18 B: -18 C: 8 D: -8

  • 2022-06-12 问题

    如下哪个表达式同A>8 AND A<18是等价的? which of the following expressions is equivalent to a> 8 AND A < 18? a. NOT(A<8)and not(a>18) b. NOT(A<=8)and not(a>=18) c. NOT(A>8 OR A<18) d. A: a B: b C: c D: d

    如下哪个表达式同A>8 AND A<18是等价的? which of the following expressions is equivalent to a> 8 AND A < 18? a. NOT(A<8)and not(a>18) b. NOT(A<=8)and not(a>=18) c. NOT(A>8 OR A<18) d. A: a B: b C: c D: d

  • 2022-06-12 问题

    如下哪个表达式同A>8 AND A&#91;18是等价的?a. NOT(A<8)AND NOT(A&#93;18)b. NOT(A&#91;=8)AND NOT(A&#93;=18)c. NOT(A>8 OR A&#91;18)d. A<8 OR A&#93;18 A: a B: b C: c D: d

    如下哪个表达式同A>8 AND A&#91;18是等价的?a. NOT(A<8)AND NOT(A&#93;18)b. NOT(A&#91;=8)AND NOT(A&#93;=18)c. NOT(A>8 OR A&#91;18)d. A<8 OR A&#93;18 A: a B: b C: c D: d

  • 2022-06-12 问题

    如下哪个表达式同A>8 AND A&#91;18是等价的?Which of the following expressions is equivalent to A &#93; 8 AND A &#91; 18?a. NOT(A<8)AND NOT(A&#93;18)b. NOT(A&#91;=8)AND NOT(A&#93;=18)c. NOT(A>8 OR A&#91;18)d. A<8 OR A&#93;18 A: a B: b C: c D: d

    如下哪个表达式同A>8 AND A&#91;18是等价的?Which of the following expressions is equivalent to A &#93; 8 AND A &#91; 18?a. NOT(A<8)AND NOT(A&#93;18)b. NOT(A&#91;=8)AND NOT(A&#93;=18)c. NOT(A>8 OR A&#91;18)d. A<8 OR A&#93;18 A: a B: b C: c D: d

  • 2022-05-29 问题

    成年人的血量大致相当于本人体重的() A: 7%~8% B: 17%~18% C: 57%~58% D: 70%~80%

    成年人的血量大致相当于本人体重的() A: 7%~8% B: 17%~18% C: 57%~58% D: 70%~80%

  • 2022-06-06 问题

    无公害食品中酸牛奶的酸度(°T)要求达到() A: ≥70 B: ≤70 C: ≥18 D: ≤18

    无公害食品中酸牛奶的酸度(°T)要求达到() A: ≥70 B: ≤70 C: ≥18 D: ≤18

  • 2022-05-30 问题

    8×18÷8×18=(  )

    8×18÷8×18=(  )

  • 2022-05-26 问题

    18-8钢中18代表_____,8代表_____ A: 18%的铬 B: 18%的碳 C: 8%的镍 D: 8%的铁

    18-8钢中18代表_____,8代表_____ A: 18%的铬 B: 18%的碳 C: 8%的镍 D: 8%的铁

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