2003*2001/2002

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2003*2001/2002
x)3200@&H]HΆu ![ SP]BiYZpyCmL= H(.H̳:@PBXD`we 7~ԊK uW6AknB<֐zx

2003*2001/2002
2003*2001/2002

2003*2001/2002
2003*2001/2002
=(2002+1)*2001/2002
=2002*2001/2002+2001/2002*1
=2001+2001/2002
=2001 2001/2002

2003*(1-1/2002)=2003-2003/2002=2001又1/2001

原式=2002²-1/2002
=2002-1/2002
=2001 2001/2002

2002-1/2002

2003*2001/2002
=(2002+1)*2001/2002
=2002*2001/2002+1*2001/2002
=2001+2001/2002
=2001又2001/2002