9999乘以7778加3333乘以6666,用简便方法计算怎样算

2025-02-05 22:41:35
推荐回答(3个)
回答1:

9999乘以7778加3333乘以6666
=9999*7778+9999*2222
=9999*(7778+2222)
=9999*10000
=99990000

回答2:

9999乘以7778加3333乘以6666
=9999x(7778+2222)
=9999x10000
=99990000

回答3:

9999X7778+3333X6666
=9999X7778+9999X2222
=9999X(7778+2222)
=9999X10000
=99990000