19999+9999x9999的简便运算

2025-03-20 17:30:11
推荐回答(3个)
回答1:

19999+9999*9999
=10000+9999+9999*9999
=10000+9999*(1+9999)
=10000+9999*10000
=(1+9999)*10000
=10000*10000
=100000000

回答2:

9999×(9999+1)+10000

回答3: