三位朋友骑车速度比较的随机化应用题

GeoGebra 命令及参数

1. LaTeX(steps) → counter
2. LaTeX("\text{Use the buttons below to return to the original problem or}\cr\text{randomly generate a similar practice problem.}") → RandomizationText
3. Corner(1) → A
4. Corner(3) → B
5. LaTeX("\text{Determine the unit rate for each rider.}") → text1
6. LaTeX((((((((("\text{Summer rides " * SummerDist) * " miles in ") * SummerTime) * " minutes, or }\textcolor{#000099}{\frac{") * SummerTime) * "\text{ minutes}}{") * SummerDist) * "\text{ miles}}}.")) → text4
7. LaTeX((((((((((((("\text{Summer rides " * SummerDist) * " miles in ") * SummerTime) * " minutes.}\cr\text{Natasha rides ") * NatashaDist) * " miles in ") * NatashaTime) * " minutes.}\cr\text{Robin rides ") * RobinDist) * " miles in ") * RobinTime) * " minutes.}")) → Problem
8. LaTeX((((((((("\text{Natasha rides " * NatashaDist) * " miles in ") * NatashaTime) * " minutes, or }\textcolor{#000099}{\frac{") * NatashaTime) * "\text{ minutes}}{") * NatashaDist) * "\text{ miles}}}.")) → text6
9. LaTeX((((((((("\text{Robin rides " * RobinDist) * " miles in ") * RobinTime) * " minutes, or }\textcolor{#000099}{\frac{") * RobinTime) * "\text{ minutes}}{") * RobinDist) * "\text{ miles}}}.")) → text8
10. LaTeX((((((("\text{Summer's rate is " * SummerRtime) * " minutes per mile.} \cr\text{Natasha's rate is ") * NatashaRtime) * " minutes per mile.} \cr\text{Robin's rate is ") * RobinRtime) * " minutes per mile.}")) → text10a
11. LaTeX((("\text{" * conclusions) * "}")) → text11
12. LaTeX("\text{Use the unit rates to state two conclusions that can be made about the rates each person rides.}") → text10
13. LaTeX("\text{First set up a ratio for each rider. }\cr\text{Then determine the unit rate by reducing the fraction.}") → text2
14. TableText({{LaTeX[(((("\textcolor{#000099}{\frac{" * SummerTime) * "\text{ minutes}}{") * SummerDist) * "\text{ miles}}}")], LaTeX["\text{Summer's rate}"]}, {LaTeX[(((("\textcolor{#000099}{=\frac{" * SummerRtime) * "\text{ minutes}}{") * SummerRdist) * "\text{ mile}}}")], LaTeX["\text{Reduce the fraction.}"]}}, "l") → text5
15. TableText({{LaTeX[(((("\textcolor{#000099}{\frac{" * NatashaTime) * "\text{ minutes}}{") * NatashaDist) * "\text{ miles}}}")], LaTeX["\text{Natasha's rate}"]}, {LaTeX[(((("\textcolor{#000099}{=\frac{" * NatashaRtime) * "\text{ minutes}}{") * NatashaRdist) * "\text{ mile}}}")], LaTeX["\text{Reduce the fraction.}"]}}, "l") → text7
16. TableText({{LaTeX[(((("\textcolor{#000099}{\frac{" * RobinTime) * "\text{ minutes}}{") * RobinDist) * "\text{ miles}}}")], LaTeX["\text{Robin's rate}"]}, {LaTeX[(((("\textcolor{#000099}{=\frac{" * RobinRtime) * "\text{ minutes}}{") * RobinRdist) * "\text{ mile}}}")], LaTeX["\text{Reduce the fraction.}"]}}, "l") → text9
17. LaTeX("\text{Move the slider to solve the problem.}") → text0
18. LaTeX("\text{The ratio compares the number of minutes per mile or, written as a fraction, }\textcolor{#000099}{\frac{\text{minutes}}{\text{miles}}}.") → text3