1. 两个地方的人口
近似到 10,000 是, A: 140,000; B: 80,000, 问这两个地方的总人口加起来近似到10,000有多少?
1) For both of these 2 places, the rounded number is within 2%
2) A place number was rounded up, B place number was rounded down
D
这题目到底什么意思?我完全看不明白
同问 麻烦NN解答
round up 是四舍五入里的五入
down 是 四舍
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