A、Δ=(25–24.8)/(50-10)*100%=0.5% B、Δ=(25–24.8)/50*100%=0.4% C、Δ=(24.8–25)/(50-10)*100%=-0.5% D、Δ=(24.8–25)/50*100%=-0.4%
A、Δ=(80.0–79.8)/100*100%=0.2% B、Δ=(80.0–79.8)/10*100%=2% C、Δ=(79.8–80.0)/100*100%=-0.2% D、Δ=(79.8–80.0)/10*100%=-2%
A、Δ=(59.8–60.0)/100*100%=-0.2% B、Δ=(59.8–60.0)/10*100%=-2% C、Δ=(60.0–59.8)/100*100%=0.2% D、Δ=(60.0–59.8)/10*100%=2%