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2,589,748&
94,163,240&
3,500,000&
127,260,000&
1,400,020&
50,904,728&
1,454,400&
1,000,000&
36,360,000&
1,270,000&
46,177,200&
14,544,654&
5,905,662&
214,729,872&
5,108,740&
185,753,792&
15,068,602&
1,328,201&
48,293,388&
18,000,854&
2,248,533&
81,756,656&
1,165,952&
42,394,016&
2,300,000&
83,628,000&
4,000,083&
145,443,024&
11,733,336&
426,624,096&
32,793,084&
29,324,594&
21,815,710&
1,879,812&
2,545,200&
2,899,928.25&
3,272,400&
12,877,621&
2,017,242&
73,346,920&
15,034,860&
5,817,600&
2,000,000&
72,720,000&
13,530,138&
1,610,202.62&
2,727,000&
5,810,328&
5,876,976&
10,598,431&
34,223,488&
7,182,422&
261,152,864&
10,006,987&
363,854,048&
2,065,968&
75,118,600&
7,182,422&
261,152,864&
7,182,422&
261,152,864&
2,065,968&
75,118,600&
2,065,968&
75,118,600&
1,891,956.25&
4,181,400&
5,719,428&
26,420,922&
6,108,480&
6,108,480&
1,882,611.75&
26,420,922&
26,420,922&
4,793,557&
3,237,494.5&
2,060,957.5&
8,499,186&
5,358,118.5&
1,366,517.88&
2,896,233&
105,307,032&
186,744.95&
1,781,640&
33,664,816&
126,314.64&
13,871,340&
17,689,212&
14,544,000&
126,314.64&
126,314.64&
329,130.72&
329,130.72&
223,832.16&
223,832.16&
223,832.16&
22,763,214&
19,819,326&
8,192,926&
7,395,696.5&
1,090,800&
8,908,200&
1,839,840&
66,896,584&
1,839,840&
66,896,584&
14,965,776&
34,467,464&
2,334,312&
5,454,000&
28,972,484&
1,800,098&
65,451,564&
4,004,900&
145,618,160&
2,383,176&
86,652,280&
10,908,000&
2,000,092&
72,723,344&
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0.8645保留两位小数约是___，0.9865保留一位小数约是___．4.1&2.85的积有___位小数；2.245精确到0.01约是___．
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0.8645保留两位小数约是 0.86，0.9865保留一位小数约是 1.0．4.1×2.85的积有 3位小数；2.245精确到0.01约是 2.25．故答案为：0.86，1.0，3，2.25．
为您推荐：
①运用“四舍五入”法取近似值：要看精确到哪一位，从它的下一位运用“四舍五入”取值．此题主要考查小数的近似数取值，关键要看清精确到的位数；②根据小数乘法的计算法则，按整数乘法的计算法则进行计算，看因数中共有几位小数，就从积的末尾数出几位点上小数点，算式中共有3位小数，所以积有3位小数．
本题考点：
近似数及其求法
考点点评：
此题主要考查小数的近似数取值，关键要看清精确到的位数．
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