解數學方程時間用完之前！
The first number you choose is the number your equation starts with
and from there you have to multiply it by 2 - 9 depending on what you have chosen
then click the correct value before time runs out
解數學方程時間用完之前！
The first number you choose is the number your equation starts with
and from there you have to multiply it by 2 - 9 depending on what you have chosen
then click the correct value before time runs out