A=987654321×123456789,B=987654322×123456788.比较大小。

2024-11-16 13:36:48
推荐回答(3个)
回答(1):

A=987654321×123456789 =987654321×(123456788+1) =987654321×123456788+987654321B=987654322×123456788 =(987654321+1)×123456788 =987654321×123456788+123456788∵987654321>123456788∴A>B

回答(2):

1×9=9
2×8=16
16>9
B>A

回答(3):

A大