【简答题】求下列各式中x的值: (1)x 3 = 1 8 (2)x 3 -3= 3 8 .
【单选题】--- Please call me at 7:00 tomorrow morning. I’m kind of forgetful. --- Don’t worry about that. You’ll surely be ________.
【简答题】求下列各式中x的值 (1)2x 2 =6 (2)(2x+1) 3 +8=0.
【判断题】普通话的语汇以北方话作为基础方言。( )
【简答题】求下列各式中x的值. (1)4x 2 =9 (2)(x-1) 2 =25.
【简答题】求下列各式中x的值: (1)x²=25; (2)x²-81=0; (3)25x²=36。