![一个数,加上三分之一,减去二分之一,除以五分之三,乘五分之四,得十六分之一。求这个数是多少。解:设这个数为x[(x+1/3)-1/2]/(3/5)*(4](/img/325284926.jpg)
[(x+1/3)-1/2]/ (3/5) * (4/5)=1/16
5/3 * 4/5 *(x-1/6 ) = 1/16
x-16 = 1/16 * 3/4
x -16 = 3/64
x = 16又3/64
(1/16+1/2-1/3)÷(1+1+5/3+4/5)
=11/48÷67/15
=11/48×15/67
=55/1072
1/16 ÷4/5×3/5+1/2-1/3=5/64×3/5+1/2-1/3=3/64+1/6=41/192
(x+1/3-1/2)*4/3=1/16
x=3/64+1/2-1/3
=3/64+1/6
=41/192
41/192