Question

4.%=12/X+12怎么算?

Answer 1

4.%=12/X+12

4.%*X=12+12*X

12*X-4%*X=-12

12*X-0.04*X=-12

11.96*X=-12

X=-12/11.96=-1又(0.04/11.96)=-1又(4/1196)=-1又(1/299)