计算(2+1)(22+1)(24+1)(28+1)(216+1)+1的结果是( )A.232B.264C.232-1D.264-1
题型:单选题难度:一般来源:不详
计算(2+1)(22+1)(24+1)(28+1)(216+1)+1的结果是( ) |
答案
(2+1)(22+1)(24+1)(28+1)(216+1)+1 =(2-1)(2+1)(22+1)(24+1)(28+1)(216+1)+1 =(22-1)(22+1)(24+1)(28+1)(216+1)+1 =(24-1)(24+1)(28+1)(216+1)+1 =(28-1)(28+1)(216+1)+1 =(216-1)(216+1)+1 =232-1+1 =232. 故选A. |
举一反三
用乘法公式计算:99.9×100.1-99.8×100.2. |
(2+1)(22+1)(24+1)(28+1)(216+1) | 232-1 | =______. |
计算20122-20112 | 20122-2011×2013+2×2011 | 的值为______. |
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