Page 10 - 新思维数学学生用书6 样章
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1 The number system
Numbers are important. We use them every day.
• We use a series of digits when we telephone a friend.
• We use decimal numbers when we work out prices.
• We use positive and negative numbers when we use a thermometer.
When do you use numbers? Make a list.
Here are some ideas to help you get started.
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