(1)52=______;(2)43=______;(3)(-1)5=______;(4)(-2)2=______;(5)-22=______;(6)(-1)4
题型:填空题难度:一般来源:不详
(1)52=______; (2)43=______; (3)(-1)5=______; (4)(-2)2=______; (5)-22=______; (6)(-1)4=______. |
答案
(1)52=25; (2)43=64; (3)(-1)5=-1; (4)(-2)2=4; (5)-22=-4; (6)(-1)4=1. |
举一反三
满足22x+1-3•2x+1+4=0的x的值为 ______. |
计算:-22+(tan60°-1)×+(-)-2+(-π)0-|2-|. |
计算:()-2-4sin30°+(-1)2009+(π-2)0. |
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