Maths
999*999=?
888*888=?
777*777=?
回答 (5)
✔ 最佳答案
999*999=998001
888*888=788544
777*777=603729
參考: me
1. 998001 2. 788544 3.603729
上面個位人兄錯了......
ab*ab不等於a*a+b*b的
999*999
=333*3*333*3
=3*111*3*1*3*111*3*1
=(3*3)*(111*111)*(1*1)*(3*3)
=9*(12321)*9
=110889*9
=998001
888*888
=4*222*4*222
=2*2*2*111*2*2*2*111
=2*2*2*2*2*2*111*111
=64*111*111
=64*12321
=788544
=777*777
=7*7*111*111
=49*111*111
=49*12321
=603729
999*999= 998001
888*888=788544
777*777=603729
參考: 自己
999*999= 998001
888*888=788544
777*777=603729
收錄日期: 2021-04-18 23:39:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071029000051KK02342
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