判一判.(1)5.095精确到0.01是5.10. (2)求商的近似值一般用“四舍五入法”. .
= ÷60=3: = %= (小数).
0.375= %== ÷24=15: .
= ÷ = : = %= (小数)
0.75= :16== %.
5÷ = :16= %=0.625.