已知m,x,y满足条件：（1）2/3（x-5）的2次方+5|m|=0已知m,x,y满足条件：（1）2/3(x-5)2+5×(m的绝对值）=0；（2）-2a2b^(y+1)与3b3a2是同类项.求代数式0.75x2y+5m2x-{-7/16x2y+[1/4xy2+(-3/16x2y-3.475xy2)]-6.27xy2}的值.