帮忙解决一道奥数题6666 6666简便算谢谢(六年级奥数简便运算题100道含答案)

帮忙解决一道奥数题6666 6666简便算谢谢(六年级奥数简便运算题100道含答案)

首页维修大全综合更新时间:2024-12-10 18:40:24

帮忙解决一道奥数题6666 6666简便算谢谢

1、解:6666×6666

=2×3333×3×2222

=2×2222×3×3333

=4444×9999

=4444×(10000-1)

=4444×10000-4444

=44440000-4444

=44435556

2、解:6666x6666

=39996000+3999600+399960+39996

=40000000+4000000+400000+40000-4000-400-40-4

=44440000-4444

=44435556

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