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单词 HowToUseATable
释义

how to use a table


In this entry, how to use a table to multiply numbers will be explained and illustrated with examples. The general rule is as follows:

Suppose you want to multiply two numbers. Find the first numberin the very first column. Follow the row in which this number appearsuntil you land in the column which is labelled with the second number ontop. The number on which you land is your answer.

Let us illustrate with an example. To keep things simple, we willuse a 5 by 5 multiplication table

Suppose we want to figure out 3×4. We first find therow which starts with “3”. That row is highlighted below:

Next we follow this row until we find the column which has “4”on top. This column is highlighted below:

Note that “12” appears where the highlighted row and the highlightedcolumn cross. (For convenience, it has been underlined.) Therefore,we found that 3×4=12.

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更新时间:2025/5/4 15:12:24