1/2*6+1/3*8+1/4*10+1/5*12+...+1/60*122+1/61*124

相关推荐

• 计算：(1/2+1/4+1/6+1/8)−(1/3+1/6+1/9+1/12)+(1/4+1/8+1/12+1/16)−(1/5+1/10+1/15+1/20)=_．
• 1/2*6+1/3*8+1/4*10+1/5*12+...+1/60*122+1/61*124
• (1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
• 1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9+1/9*10+1/10*11(简算）
• (1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12+1/13+1/14+1/15)*4004的整数部分
• （1+1/3+1/5+1/10+1/15+1/30）÷（1/2+1/4+1/6+1/12+1/20+1/60）一定要是简便运算!
• 简算:（1+1/3+1/5+1/10+1/15+1/30）÷（1/2+1/4+1/6+1/12+1/20+1/60）＝? 要过程!
• 算式1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10+1/11+1/12+1/13）×2004计算结果的小数点后第2004位数字是多少？
• (1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
• (1+1/3+1/5+1/10+1/15+1/30)/(1/2+1/4+1/6+1/12+1/20+1/60)=​?
• (1+35%)*X*0.9-50=X+122
• 小明在计算90/122与a相乘时,误将90/122看成100/135,结果比正确的积少0.1,求a与90/122正确的积