2001*2002/2001-1002*(-1001/1000)
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2001*2002/2001-1002*(-1001/1000)
2001*2002/2001-1002*(-1001/1000)
= 2002 + 1002*1001/1000
=2002 + 501*1001/500
=2002 + 501501/500
=1001000/500 +501501/500
=1502501/500
= 2002 + 1002*1001/1000
=2002 + 501*1001/500
=2002 + 501501/500
=1001000/500 +501501/500
=1502501/500
计算1998*2002 2001*1999 998*1002
(2003/1-1)×(2002/1-1)×(2001/1-1)×.×(1001/1-1)×(1000/1-1)=?
(1/2003-1)(1/2002-1)(1/2001-1)...*(1/1001-1)(1/1000-1)
2001*2002*2003*2004+6-(2002*2002+2001)*(2002*2002+2001)=?
计算:(2001-1)+(2000-2)+(1999-3)+...+(1002-1000)
计算:(2001-1)+(2000-2)+(1999-3)+...+(1002-1000)
(根号2002-根号2001)^2002·(根号2002+根号2001)^2001的结果
计算1001-1/2001-2/2001-3/2001-...-2001/2001
(2001-1)+(2000-2)+(1999-3)+.+(1002-1000)=?
(2001-1)+(2000-2)+(1999-3)+.+(1002-1000)
1001/1000*1002
(2001立方-2*2001方-1999)/(2001立方+2001方-2002)