Yes, we understand the frustration you may experience when you get stuck on certain steps or have difficulty to work out the correct answer. That is why we prepared all the worked out solutions online. You do not have to wait for another week to ask questions. All you need to do is to log online, check step by step solutions on specific questions that you need help with. If you still do not understand after checking, then you are welcomed to bring the question(s) into the class and ask your teacher(s) directly.
On the other hand, if you have any challenging questions from school and you would like to seek help from us. You can post it on our forum - Challenge Wanted! Or join in our maths discussion group on wechat (you can download the application from here ).