一个减法算式,被减数,减数,差这三个数的和是41分之36.已知减数相当于被减数的9分之2,被减?减数?差
一个减法算式,被减数,减数,差这三个数的和是41分之36.已知减数相当于被减数的9分之2,被减?减数?差
日期:2009-12-02 22:17:03 人气:3
a - b = c
a + b + c = 36/41
b = 2a/9
a - 2a/9 = 7a/9
c = 7a/9
a + 2a/9 + 7a/9 = 36/41
a = 18/41
b = 4/41
c = 14/41