巧算:246*321963/123369; 3333333333*6666666666; 1/3+1/15+1/35+1/36+1/99.(11-11/36)+(9-11/36*5)+(1-11/36*3)+(5-11/36*9)+(3-11/36*7)+(7-11/36*11) ; 38*(1/85+1/47)-47*(1/38-1/85)+85*(1/38-1/47) ; (1+1/2)*(1-1/2)*(1+1/3)*(1-1/3)*---*(1+1/99)*(1-1/99); (

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巧算:246*321963/123369; 3333333333*6666666666; 1/3+1/15+1/35+1/36+1/99.(11-11/36)+(9-11/36*5)+(1-11/36*3)+(5-11/36*9)+(3-11/36*7)+(7-11/36*11) ; 38*(1/85+1/47)-47*(1/38-1/85)+85*(1/38-1/47) ; (1+1/2)*(1-1/2)*(1+1/3)*(1-1/3)*---*(1+1/99)*(1-1/99); (
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巧算:246*321963/123369; 3333333333*6666666666; 1/3+1/15+1/35+1/36+1/99.(11-11/36)+(9-11/36*5)+(1-11/36*3)+(5-11/36*9)+(3-11/36*7)+(7-11/36*11) ; 38*(1/85+1/47)-47*(1/38-1/85)+85*(1/38-1/47) ; (1+1/2)*(1-1/2)*(1+1/3)*(1-1/3)*---*(1+1/99)*(1-1/99); (
巧算:246*321963/123369; 3333333333*6666666666; 1/3+1/15+1/35+1/36+1/99.
(11-11/36)+(9-11/36*5)+(1-11/36*3)+(5-11/36*9)+(3-11/36*7)+(7-11/36*11) ; 38*(1/85+1/47)-47*(1/38-1/85)+85*(1/38-1/47) ;
(1+1/2)*(1-1/2)*(1+1/3)*(1-1/3)*---*(1+1/99)*(1-1/99);
(1+1/2)*(1+1/4)*(1+1/6)*---*(1+1/10)*(1-1/3)*(1-1/5)*--*(1-1/9);
2006/2006*2006/2007;这些题都需要过程!
看了可知---简单数术的回答是尽心的.不过有两道题的结果对不上(100/3;2006/2007).望能重给结果!还有上面三道题?

巧算:246*321963/123369; 3333333333*6666666666; 1/3+1/15+1/35+1/36+1/99.(11-11/36)+(9-11/36*5)+(1-11/36*3)+(5-11/36*9)+(3-11/36*7)+(7-11/36*11) ; 38*(1/85+1/47)-47*(1/38-1/85)+85*(1/38-1/47) ; (1+1/2)*(1-1/2)*(1+1/3)*(1-1/3)*---*(1+1/99)*(1-1/99); (
=11+9+1+5+3+7-(11+5*11+3*11+9*11+7*11+11*11)/36
=36-(11*36)/36
=25
=38/85+38/47-47/38+47/85+85/38-85/47
=85/85+38/38-47/47
=2
=3/2*1/2*4/3*2/3*---*100/99*98/99
=(3/2*4/3*5/4*6/5*--*99/98*100/99)*(1/2*2*3*3/4*--*89/99)
=300*1/99
=100/3
=3/2*5/4*7/6*--*11/10*2/3*4/5*--*10/9
=11/10
=1*2006/2007=2006/2007