一个数的三分之一比他的五分之二少4,这个数的十二分之五是多少
……越快越好………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………会的高手速度…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………不会边去…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………急………………………………………………………………………………………………………………………………………………………………不多说……………………………………………………………………………………………………………………………………………………………………