问题
填空题
保留一位小数时,3.809的近似数是______;精确到百分位时,它的近似数是______.
答案
3.809≈3.8(保留一位小数)
3.809≈3.81(精确到百分位)
故答案为:3.8,3.81.
保留一位小数时,3.809的近似数是______;精确到百分位时,它的近似数是______.
3.809≈3.8(保留一位小数)
3.809≈3.81(精确到百分位)
故答案为:3.8,3.81.
小题2:Just sit down and try to _______ for a while, Grace. 小题3:Linda’s health has _______ greatly since she started on this new diet. 小题4:Li Ming is _______ in English, so he needs to spend more time on it. 小题5:My parents told me Ms. Smith was really _______ with my work last term. |