1,①L=200+0.002t
②L=200+0.002×100
=200+0.2
=200.2
③由题意知,201.6=200+0.002t
故,
t=(201.6-200)/0.002
=1.6/0.002
=800(摄氏度)
2. y=(60*60×)*(2*0.05)
=360x
1,①L=200+0.002t
②L=200+0.002×100
=200+0.2
=200.2
③由题意知,201.6=200+0.002t
故,
t=(201.6-200)/0.002
=1.6/0.002
=800(摄氏度)
2. y=(60*60×)*(2*0.05)
=360x