四、还原信息（10分）
There's no doubt about it: maths is difficult. However, by building up your skills and practising every day, you can make maths easier and learn it better. 1.
◆ Make maths part of your daily life to practise it. 2.
For example, if a sweater that's usually 38 is on sale for 30% off, what is the sales price? Just think it out "38×(1−0.3)=?".
◆ 3. _________ Some problems need a pencil and paper to get started. However, maths basics like "+", "−", "×", and "÷" are ones you can do in your head. If you come across an easy problem, do it in your mind first.
◆ Go over maths concepts(概念) every day. Practice makes perfect. Set a study plan for yourself. 4. _________ Your skills will build up over time!
◆ Teach maths problems to someone else. 5. _________ Invite a friend. Then tell him what you're doing. If you get stuck, go over your textbook again until you can say it clearly.
A. Use maths in mind if you can.
B. They can teach you and give some advice.
C. Build up your skills while having fun.
D. Maths can be used in many situations (情况).
E. Learning by teaching someone is a great way to study.
F. The following tips can help you work out maths problems easily.
G. And try to go over your maths problems for 15 to 20 minutes every day.
