x=5/6;y=-3/4;
(x²+y²)/(x-y)
=(25/36+9/16)÷(5/6+3/4)
=(100/144+81/144)÷(19/12)
=181/144×12/19
=181/228;
手机提问的朋友在客户端右上角评价点【满意】即可.
x=5/6;y=-3/4;
(x²+y²)/(x-y)
=(25/36+9/16)÷(5/6+3/4)
=(100/144+81/144)÷(19/12)
=181/144×12/19
=181/228;
手机提问的朋友在客户端右上角评价点【满意】即可.