Question

1.已知1/2Y+M==MY-M,当Y=4时,求M的值

Answer 1

1.m=1 2/1*4+m=4m-m

2+m=3m

2=2m

m=1

2.依题意“x+1=0 y+3=0 所以x=-1 y=-3

(a+1)*(-1)+1=-3

a=3

3.设...最远飞行X千米..

x/920+ x/840=8.8

x=3864