Do math problems in your head instead of on a calculator.
心算而不是用计算器计算。
Middle school is an important age because students have enough math capability to solve advanced problems, but they haven't really decided what they want to do with their lives.
中学是一个重要的年龄段，因为学生有足够的数学能力来解决高级问题，但他们还没有真正决定他们在生活中想做些什么。
To do that, investigators had volunteers lie in a brain scanner and solve math problems.
在研究中，志愿者按照研究者的要求躺在脑部扫描仪中解决数学问题。
You probably don't need to worry unless you start forgetting a good portion of your vocabulary or losing the capacity to do easy math problems.
你完全不用担心，如果你没有开始遗失你的一份词语，或是失去做简单数学题的能力。
Once, one of her daughters came in second to a Korean kid in a math competition, so Chua made the girl do 2, 000 math problems a night until she regained her supremacy.
有一次，女儿在一次数学竞赛中落后于一个韩国小孩获得第二名，蔡美儿竟让这个女孩一晚上做2000道数学题直到她重新领先。
Why do you think that math books have so math problems?
你为什么认为数学书有那样的数学题呢？
Lisa: No, he just gave me a sheet of math problems to do.
莉萨：没有，他只是给我一张数学卷子做。
Do you find that you struggle with solving math problems?
你发现你一直在和数学问题“作斗争”吗？
Do you find that you struggle with solving math problems?
你发现你一直在和数学问题“作斗争”吗？
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