精选优质文档-倾情为你奉上粉笔资料分析听课笔记(整理版)1、 常用分数、百分数、平方 =33.3% =25% =20% =16.7% =14.3% =12.5% =11.1% =10% =9.1% =8.3% =7.7% =7.1% =6.7% =6.3% =66.7% =44% =40% =28.6% =22% =18.2% =15.4% =13.3% =11.8% =10.5% =9.5% =8.7% =7.8% =7.4% =6.9% =6.5% =6.1%22=2 32=9 42=16 52=25 62=36 72=49 82=64 92=81 102=100 112= 121 122=144 132=169 142=196 152=225 162=256 172=289 182=324 192=361 202=400 212=441 222=484 232=529 242=576 252 =62
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