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主要内容

单元 5:负数

1,500 个可获得的掌握积分

关于本单元

Negative numbers are a necessary part of our understanding of mathematics and the world. Negative does not mean "bad." It's just changing the same amount, but in the opposite direction, like getting cooler instead of warmer. Absolute value tells us the amount of the change without the direction.

练习

升级上述技能,积攒 480 掌握点

练习

升级上述技能,积攒 400 掌握点

练习

升级上述技能,积攒 320 掌握点
接下来为您推荐:

单元测试

升级本单元里的所有技能,积攒高达 1,500 掌握点!