1π~100派表

1π~100派表

1π-100π表

1π 3.142π 6.283π 9.424π 12.565π 15.76π 18.84 7π 21.988π 25.129π 28.2610π 31.411π 34.54

12π 37.6813π 40.8214π 43.9615π 47.116π 50.24

17π 53.3818π 56.5219π 59.6620π 62.821π 65.94

22π 69.0823π 72.2224π 75.3625π 78.526π 81.64

27π 84.7828π 87.9229π 91.0630π 94.231π 97.34

32π 100.4833π 103.6234π 106.7635π 109.936π 113.04 37π 116.1838π 119.3239π 122.4640π 125.641π 128.74 42π 131.8843π 135.0244π 138.1645π 141.346π 144.44 47π 147.5848π 150.7249π 153.8650π 15751π 160.14 52π 163.2853π 166.4254π 169.5655π 172.756π 175.84 57π 178.9858π 182.1259π 185.2660π188.4 61π 191.54 62π 194.6863π 197.8264π 200.9665π 204.166π 207.24 67π 210.3868π 213.5269π 216.6670π 219.871π 222.94 72π 226.0873π 229.2274π 232.3675π 235.576π 238.64 77π 241.7878π 244.9279π 248.0680π 251.281π 254.34 82π 257.4883π 260.6284π263.7685π 266.986π 270.04 87π 273.1888π 276.3289π 279.4690π 282.691π 285.74 92π 288.8893π 292.0294π 295.16 95π 298.396π 301.44

98π 307.7299π 310.86100π 314

英语1-100数字及数量

1-100的数字英语单词、月份单词、星期单词、时间计量单词。 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty- two 23 twenty- three 24 twenty- four 25 twenty- five 26 twenty- six 27 twenty- seven 28 twenty- eight 29 twenty- nine 30 thirty 31 thirty- one 32 thirty- two 33 thirty- three 34 thirty- four 35 thirty- five 36 thirty- six 37 thirty- seven 38 thirty- eight 39 thirty- nine 40 forty

41 forty- one 42 forty- two 43 forty- three 44 forty- four 45 forty- five 46 forty- six 47 forty- seven 48 forty- eight 49 forty- nine 50 fifty 51 fifty- one 52 fifty- two 53 fifty- three 54 fifty- four 55 fifty- five 56 fifty- six 57 fifty- seven 58 fifty- eight 59 fifty- nine 60 sixty 61 sixty- one 62 sixty- two 63 sixty- three 64 sixty- four 65 sixty- five 66 sixty- six 67 sixty- seven 68 sixty- eight 69 sixty- nine 70 seventy 71 seventy- one 72 seventy- two 73 seventy- three 74 seventy- four 75 seventy- five 76 seventy- six 77 seventy- seven 78 seventy- eight 79 seventy- nine 80 eighty 81 eighty- one 82 eighty- two

1到100数字平方不用查表

1到100数字平方不用查表 0×0=0 1×1=1 (1-0=1) 2×2=4 (4-1=3) 3×3=9 (9-4=5) 4×4=16 (16-9=7) 5×5=25 (25-16=9) 6×6=36 (36-25=11) 7×7=49 (49-36=13) 8×8=64 (64-49=15) 9×9=81 (81-64=17) 10×10=100 (100-81=19) 11×11=121 (121-100=21) 12×12=144 (144-121=23) 13×13=169 (169-144=25) 14×14=196 (196-169=27) 15×15=225 (225-196=29) 16×16=256 (256-225=31) 17×17=289 (289-256=33) 18×18=324 (324-289=35)19×19=361 (361-324=37)

`````````` 从以上一组数字我们不难看出其间的一个有趣的共同点,一个阿拉伯数字,每递增一个点,它与前一个数字的平方差距值都会增加一个相同的数值2,这是一个有趣的规律,一直可以延伸到最后都是这样的。(比如说15的平方数减去14的平方数,它的差距值为29,那么16的平方数减去15的平方数它的差距值就应该是29+2=31`````) 长长99 就差距值来说,除0到5之间不同之外,递增五位数,差距累积也就增加一个数字10,(比如5的平方数,它与上一位数4的平方数差距值为9,那么10的平方数它的差距值就为19,以此类推,15就为29,20就为39,25为49,30为59``````) 就以上一个概念,如果我们在生活中需要比较简单地求一组数字的平方,那么就可以用以上的差距值的方式来求值。比如求31,32,33,34的平方数,我们首先会很容易地便知道了30的平方结果为900,30的平方结果与上一位数的平方结果差距累积为59,那么,31的平方数它的差距累积就应该是30这个平方数的差距累积再加上相邻数字平方的差距值2,也就是59+2=61,求31的平方数就为30的平方数+差距累积值=平方数值:31×31=900+61=961,32×32=961+63=1024,33×33=1024+65=1089,34×34=1089+67=1156`````

相关主题
相关文档
最新文档