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| Using ax=b | |
| 摘 要： | 叼:少飞二参 We have known a variety of applieations of multiplieation: areas of reetangles;arrays;rate faetors;expansions;eontraetions. Any of these applieations ean lead to anequation of the form ax~b.Hereis an example involving areas of reetan- gle |
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