CURD
发表于 2025-3-21 19:14:18
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等待
发表于 2025-3-21 23:14:00
Manipulation of Compound Quantities,tiplication of such quantities by any number greater than 12 is generally rather long and cumbersome if carried out by the direct method. The methods explained in this chapter provide shorter ways of arriving at the solution.
向外供接触
发表于 2025-3-22 03:22:21
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Coma704
发表于 2025-3-22 07:57:54
Further Volumes,t it is impossible at this stage of mathematics to give any proof for the volumes of the cone and sphere. The student must wait until he has learned the calculus before he is able to derive the formulae for the volumes of these two.
考古学
发表于 2025-3-22 11:30:59
Integral Numbers,s and seasons, or in their need to have some standard for bartering foods and clothing. In many cases there was a need for numbers as an aid to measurement, for the construction of buildings, or the surveying of land.
记忆
发表于 2025-3-22 15:24:40
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挖掘
发表于 2025-3-22 18:14:39
Decimals,The number system which we use today is based on the idea that the value of a figure within a number depends on two things (.) the figure itself, and (.) the position of the figure within the number.
Cerebrovascular
发表于 2025-3-22 21:46:58
Averages and Unitary Methods,On a recent hiking holiday I walked 12 miles on the first day, 15 on the next, then 10, 0, 20 and 9 miles. Altogether I walked 66 miles in 6 days or an . of 11 miles each day. This number 11, called the average, is not the distance I walked on any day but rather a number to give some fair representation of my average performance.
Offstage
发表于 2025-3-23 01:26:44
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上坡
发表于 2025-3-23 07:14:16
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