简算:【提示:平方差公式:a*a-b*b=(a+b)*(a-b)】谢谢!一、1/(2*2-1)+1/(4*4-1)+1/(6*6-1)+.+1/(100*100-1)二、【1-1/(2*2)】*【1-1/(3*3)】*【1-1/(4*4)】*.*【1-1/(2004*2004)】
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 18:14:28
![简算:【提示:平方差公式:a*a-b*b=(a+b)*(a-b)】谢谢!一、1/(2*2-1)+1/(4*4-1)+1/(6*6-1)+.+1/(100*100-1)二、【1-1/(2*2)】*【1-1/(3*3)】*【1-1/(4*4)】*.*【1-1/(2004*2004)】](/uploads/image/z/760105-1-5.jpg?t=%E7%AE%80%E7%AE%97%EF%BC%9A%E3%80%90%E6%8F%90%E7%A4%BA%EF%BC%9A%E5%B9%B3%E6%96%B9%E5%B7%AE%E5%85%AC%E5%BC%8F%EF%BC%9Aa%2Aa-b%2Ab%3D%28a%2Bb%29%2A%28a-b%29%E3%80%91%E8%B0%A2%E8%B0%A2%21%E4%B8%80%E3%80%811%2F%282%2A2-1%29%2B1%2F%284%2A4-1%29%2B1%2F%286%2A6-1%29%2B.%2B1%2F%28100%2A100-1%29%E4%BA%8C%E3%80%81%E3%80%901-1%2F%EF%BC%882%2A2%EF%BC%89%E3%80%91%2A%E3%80%901-1%2F%283%2A3%EF%BC%89%E3%80%91%2A%E3%80%901-1%2F%284%2A4%EF%BC%89%E3%80%91%2A.%2A%E3%80%901-1%2F%EF%BC%882004%2A2004%EF%BC%89%E3%80%91)
xU݊@~z&ɴ]/Y\)
j@WQXA""N^#yAAчӫ]pqOowg6C9
!4VZd5fGv5Dd
-G\'H &p+4&5ӿE)Vq{[7vnه3)P(`(T80)P0(7QT8Qm"t 6&|rlLz1zѤj/tKF3,Ca2F+(bq0`ly`wk꼣*P 5P,
ʳD(CdI[,Q%IUY,rwTTk@`Ϧ㋟G3FlePZQBPlRNex+
jԠ$gEM>?5L*4{إQ*J(AJ 4z<ǁ߽}--ӡ/ 'r