-1/2(x+y)+1/4(p+q)等于多少
问题描述:
-1/2(x+y)+1/4(p+q)等于多少
答
乘法分配律
=-1/2x-1/2y+1/4p+1/4q
-1/2(x+y)+1/4(p+q)等于多少
乘法分配律
=-1/2x-1/2y+1/4p+1/4q