1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995拜托各位了 3Q1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995 (2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1) ^代表乘方
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1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995拜托各位了 3Q1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995 (2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1) ^代表乘方
1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995拜托各位了 3Q
1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995 (2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1) ^代表乘方
1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995拜托各位了 3Q1+2+3+4-5-6+7+8-9-10+11+12-13-14+15+…+1992-1993-1994+1995 (2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1) ^代表乘方
① 1+2+3+(4-5-6+7)+(8-9-10+11)+(12-13-14+15)+…+(1992-1993-1994+1995) =1+2+3+0+0+.+0=6 ②(2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1) =(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1)/(2^2-1) =(2^4-1)(2^4+1)(2^8+1)(2^16+1)…(2^1024+1)/3 =(2^8-1)(2^8+1)(2^16+1)…(2^1024+1)/3 =(2^16-1)(2^16+1)…(2^1024+1)/3 =.=(2^1024-1)(2^1024+1)/3 =2^2048/3