forcing to answer

condition to show the button

You can prevent a student from scipping an exercixe by showing the button next exercise only if correct answer is given. forcing students to answer each random exercise correctly before proceeding.

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Woven
Open Middle Logarithm Exercises (1)
Cube of a Binomial - Volume Model
Rings of circles
Exploring Simple Loci 探究簡單軌跡

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Forum_132242_A_fibronacciRecusionSpreadSheet
均分除法（分數÷整數）_ 工作紙（一）
Continuous probability density function.
HSL scheme simple
Lagrangean example

Discover Topics

Dilation
Tangent Function
Arithmetic
Angles
Histogram