A=2.004/(+2.004)
=1/(1.004×1.004/2.004+1)
B=2.002/(1.002×1.002+2.002)
=1/(1.002×1.002/2.002+1)
比较
1.004×1.004/2.004>1.002×1.002/2.002
A
A=2.004/(+2.004)
=1/(1.004×1.004/2.004+1)
B=2.002/(1.002×1.002+2.002)
=1/(1.002×1.002/2.002+1)
比较
1.004×1.004/2.004>1.002×1.002/2.002
A