(1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9) 求数a=10/100+10/101+10/102+.+10/按规律计算一题 (1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9)二题 求数a=10/100+10/101+10/102+.+10/110
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![(1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9) 求数a=10/100+10/101+10/102+.+10/按规律计算一题 (1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9)二题 求数a=10/100+10/101+10/102+.+10/110](/uploads/image/z/115073-17-3.jpg?t=%281%2B1%2F2%29%2A%281%2B1%2F4%29%2A%281%2B1%2F6%29%2A%281%2B1%2F8%29%2A%281%2B1%2F3%29%2A%281%2B1%2F5%29%2A%281%2B1%2F7%29%2A%281%2B1%2F9%29+%E6%B1%82%E6%95%B0a%3D10%2F100%2B10%2F101%2B10%2F102%2B.%2B10%2F%E6%8C%89%E8%A7%84%E5%BE%8B%E8%AE%A1%E7%AE%97%E4%B8%80%E9%A2%98+%281%2B1%2F2%29%2A%281%2B1%2F4%29%2A%281%2B1%2F6%29%2A%281%2B1%2F8%29%2A%281%2B1%2F3%29%2A%281%2B1%2F5%29%2A%281%2B1%2F7%29%2A%281%2B1%2F9%29%E4%BA%8C%E9%A2%98+%E6%B1%82%E6%95%B0a%3D10%2F100%2B10%2F101%2B10%2F102%2B.%2B10%2F110)
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(1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9) 求数a=10/100+10/101+10/102+.+10/按规律计算一题 (1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9)二题 求数a=10/100+10/101+10/102+.+10/110
(1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9) 求数a=10/100+10/101+10/102+.+10/
按规律计算
一题 (1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9)
二题 求数a=10/100+10/101+10/102+.+10/110
(1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9) 求数a=10/100+10/101+10/102+.+10/按规律计算一题 (1+1/2)*(1+1/4)*(1+1/6)*(1+1/8)*(1+1/3)*(1+1/5)*(1+1/7)*(1+1/9)二题 求数a=10/100+10/101+10/102+.+10/110
1、
原式=(3/2)(4/3)(5/4)(6/5)(7/6)(8/7)(9/8)(10/9)
约分
=10/2
=5
2、
分子相等,分母大则分数值小
所以10/101