【单选题】After the Parkfield programme, experts concluded that earthquake prediction in terms of days and years was
【简答题】二进制数11101011-10010等于______。
【单选题】函数y= (-1≤x<0)的反函数是 [ ]
【简答题】函数:①y=-2x+3;②x+y=1;③xy=1;④y= x +1 ;⑤y= 1 2 x 2 +1;⑥y=0.5x中,属于一次函数的有______,属正比例函数的有______(只填序号)
【简答题】二进制数1101×111等于______。 A) 1011011 B) 1010101 C) 1000010 D) 10101010
【判断题】二进制数11101011转换成十进制为235. ( )