4-1/3-2-(-1/3)
观察下面算式你发现了什么?1/(2*3)=1/2-1/31/(3*4)=1/3-1/41/(2*4)=(1/2)*(1/2-1/4)1/(3*5)=(1/2)*(1/3-...
观察下面算式你发现了什么?
1/(2*3)=1/2-1/3 1/(3*4)=1/3-1/4 1/(2*4)=(1/2)*(1/2-1/4)
1/(3*5)=(1/2)*(1/3-1/5)*(1/(3*6)) 1/(3*6)=(1/3)*(1/3-1/6) 1/(4*7)=(1/4)*(1/4-1/7) 1/(5*10)=(1/5)*(1/5-1/10)*(1/(8*16)) 展开
1/(2*3)=1/2-1/3 1/(3*4)=1/3-1/4 1/(2*4)=(1/2)*(1/2-1/4)
1/(3*5)=(1/2)*(1/3-1/5)*(1/(3*6)) 1/(3*6)=(1/3)*(1/3-1/6) 1/(4*7)=(1/4)*(1/4-1/7) 1/(5*10)=(1/5)*(1/5-1/10)*(1/(8*16)) 展开
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