20022003×20032002-20022002。×20032003简算

急急急跪求
2025-01-04 16:02:30
推荐回答(2个)
回答1:

20022003×20032002-20022002×20032003
=20022002×20032002+1×20032002
-20022002×20032003
=20022002×(20032002-20032003)+
20032002
=20032002-20022002
=10000

回答2:

20022003×20032002-20022002×20032003
=20022002×20032002+20032002-(20022002×20032002+20022002)
=20022002×20032002+20032002-20022002×20032002-20022002
=20032002-20022002
=10000