• 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

    8×18÷8×18=(  )

    8×18÷8×18=(  )

  • 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

    中国大学MOOC: 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<8 OR A>18

    中国大学MOOC: 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<8 OR A>18

  • 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

  • 2022-06-12 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

  • 2022-11-03 问题

    作为增溶剂的表面活性剂最合适的 HLB 值为( ) A: 8~10 B: 8~18 C: 3.5~6 D: 6~8 E: 15~18

    作为增溶剂的表面活性剂最合适的 HLB 值为( ) A: 8~10 B: 8~18 C: 3.5~6 D: 6~8 E: 15~18

  • 2022-05-30 问题

    The flowering time of the English Renaissance was from ______ to ______. A: 1516, 1578 B: 1578, 1625 C: 1625, 1660 D: 1610, 1660

    The flowering time of the English Renaissance was from ______ to ______. A: 1516, 1578 B: 1578, 1625 C: 1625, 1660 D: 1610, 1660

  • 1 2 3 4 5 6 7 8 9 10