(2002+20022002+20022002002)/(2001+20012001+200120012001)=
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(2002+20022002+20022002002)/(2001+20012001+200120012001)=
设2002=a,2001=b,则
(2002+20022002+20022002002)/(2001+20012001+200120012001)=
(a+a+10000a+a+10000+100000000a)/(b+b+10000b+b+10000b+100000000b)=
100020002a÷100020002b=a÷b=2002/2001
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(2002+20022002+20022002002)/(2001+20012001+200120012001)= 2002/2001
(2002+20022002+20022002002)/(2001+20012001+200120012001)
= 2002×(1+10001+100010001)/2001×(1+10001+100010001)
=2002/2001 (1+10001+100010001与1+10001+100010001约掉)
=1又1/2001
2002×(1+10001+100010001+1000100010001)/2001×(1+10001+100010001+1000100010001)
=(1+10001+100010001+1000100010001)相互抵消
=2002/2001
20012001×2002-20022002×2001
20032003*2002-20022002*2003
2002*20032003-2003*20022002
2001*20022002-2002*20012001=?
计算:2002 ×20012002- 2001× 20022002
20022002*2003-20032003*2002=?
2003*20022002-2002*20032003步骤!
2002×20032003-2003×20022002
2001*20022002-2002*20012001简便计算
20012001×2002-20022002×2001的简便运算
20012001*2002-20022002*2001等于多少?
2001*20022002-2002*20012001等于多少?
2002*20032003-2003*20022002等于多少?
20022002*2003-2002*20032003怎么简便计算
2002×20032003-2003×20022002的值是
计算:2002×20032003-2003×20022002
2002乘20032003减2003乘20022002
(2002+20022002+20022002002)/(2001+20012001+200120012001)=