(-1/81)/1/81)*(-1)-(11/8+7/3-15/4)*(-24) (-1/81)/1/81)*(-1)-
(-1/81)/1/81)*(-1)-(11/8+7/3-15/4)*(-24) (-1/81)/1/81)*(-1)-
81/1+81/3+81/5+81/7+81/9+81/11+81/13+81/15+81/17=
1 3 7 15 ( ) 81括号里填什么
2 ,1/3 ,8 1/9,( ).1/81
找规律:1/4,3/8,9/16,(),81/64
1/80*81 1/81*82 . 1/99*100()
(0.0081)^-1/4-[3*(7/8)^0]-1*[81^-0.25+(3*3/8)^-1/3]^-1/2
(0.0081)^-1/4-[3*(7/8)^0]^-1*[81^-0.25+(27/8)^-1/3]^-1/2-10*
9^1/6除以81^-1/4*(-27)^2/3
8^2/3×100^-1/2×(1/4)^-1/3×(16/81)^-3/4等于
简算 1,728×98 2,502×73 3,67×81+34×81-81 4,275+99×275 5,125×84
(1+2+3+4+5+6+7+8+9+10+11+12+13+14+151+61+71+81++91)×12345678