(x-y)(x+y)(x2+y2)(x4+y4)(x8+y8)=______.
题型:填空题难度:简单来源:不详
(x-y)(x+y)(x2+y2)(x4+y4)(x8+y8)=______. |
答案
(x-y)(x+y)(x2+y2)(x4+y4)(x8+y8), =(x2-y2)(x2+y2)(x4+y4)(x8+y8), =(x4-y4)(x4+y4)(x8+y8), =(x8-y8)(x8+y8), =x16-y16. 故答案为:x16-y16. |
举一反三
(2-1)(2+1)(22+1)(24+1)(28+1)…(232+1)+1的个位数字为( ) |
用乘法公式计算 (1)99×101+1 (2)5032-4972. |
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