(3^2+1)(3^4+1)(3^8+1)...(3^64+1)
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(3^2+1)(3^4+1)(3^8+1)...(3^64+1)
(3^2+1)(3^4+1)(3^8+1)...(3^64+1)
(3^2+1)(3^4+1)(3^8+1)...(3^64+1)
(3^2+1)(3^4+1)(3^8+1)...(3^64+1) =(3^128-1)/8
试用的方法:
3^128-1=(3^64+1)(3^64-1)
3^64-1=(3^32+1)(3^32-1)
.
3^4-1=(3^2+1)(3^2-1)
答案为(3^128-1)/8
(-4/3)*(-8+3/2-3/1)
计算:8(3^2+1)(3^4+1)(3^8+1)(3^16+1)+1
计算:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
简便计算(3+1)(3^2+1)(3^4+1)(3^8+1)+(3^16+1)
计算:2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
(3+1)(3^2+1)(3^4+1)(3^8+1)-3^16/2
简便运算2*(1+3)(1+3^2)(1+3^4)(1+3^8)+1
1+2+3+4+3+315-8
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1=?
1:8 2:9 1:9 3:4 1:3 ...
1/1*2*3+1/2*3*4+1/3*4*5+.+1/8*9*10
2(3^2+1)(3^4+1)(3^6+1)(3^8+1)要简算
2(3^2+1)(3^4+1)(3^8+1)(3^16+1)的值为
(3+1)(3*2+1)(3*4+1)(3*8+1)(3*16+1)(3*32+1)简便计算,
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),