✔ 最佳答案
A/B = ( a + b + c + d + e + f + g + h + i + j ) / ( k + l + m + n + o + p + r + s )
a / k = ( 1 - 82.04 % ) / ( 1 - 19.18% ) = 2 / 9
b / l = 2 / 9
c / m = 2 / 9
...
h / p = 2 / 9
i / r = 2 / 9
j / s = 2 / 9
so ,
( a + b + c + d + e + f + g + h + i + j ) / ( k + l + m + n + o + p + r + s )
= 2 / 9
Answer : 求A/B的值 : 2 / 9
2010-08-31 14:33:54 補充:
I am sorry is :
( a + b + c + d + e + f + g + h + i + j ) / ( k + l + m + n + o + p + q + r + s )
2010-08-31 14:35:01 補充:
A/B = [ ( a + b + c + d + e + f + g + h + i + j ) x 10 ] / [ ( k + l + m + n + o + p + q + r + s ) x 10 ]
= A/B = ( a + b + c + d + e + f + g + h + i + j ) / ( k + l + m + n + o + p + q + r + s )
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