1、3/4+3/8+3/16+3/12+3/128+3/256+3/512=?2、11/12+23/24+47/48+95/96+191/192+383/384=?

(1/3+2/5+3/7+4/9)/(4/3+8/5+12/7+16/9) 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:8(3^2+1)（3^4+1）(3^8+1)(3^16+1)+1 (3+1)(3^2+1)(3^4+1)(3^8+1)-3^16/2 1*3+2*6+4*12/2*4+4*8+8*16 4/1*3-8/3*5+12/5*7-16/7*9.-40/19*21 简算 1/4*8/9÷(3/4-5/12)还有 1-5/6÷15/16*3/16 (-1/4)-(+5/8)-(0.075)+(+3/16) 3*4*5+6*8**10+9*12*15+12*16*20分之1*2*3+2*4*6+3*6*9+4*8*12是简便算法! 4×（1/12+3/16）-3/4 7/5-5/8-9/16÷3/2 55×55/56 24×(1/4+1/6-1/3) 5/6×3/4+1/6÷4/3简便 (-1/3-1/8+3/4-1/12)/(-1/48) 3,4,7,12,19,( ),( )和2,4,8,16,( ),( 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+1)(3^32+1)+1=? 2(3^2+1)(3^4+1)(3^8+1)(3^16+1)的值为