(2²+4²+6²+8²+10²)-(1²+3²+5²+7²+9²)因式分解法计算
问题描述:
(2²+4²+6²+8²+10²)-(1²+3²+5²+7²+9²)因式分解法计算
答
(2²+4²+6²+8²+10²)-(1²+3²+5²+7²+9²)=(2²-1²)+(4²-3²)+(6²-5²)+(8²-7²)+(10²-9²)=(2-1)(2+1)+(4-3)(4+3)+(6...