99×98+198用简便方法计算

2024-12-18 14:53:33
推荐回答(3个)
回答1:

原式
=99x98+98+100
=(99+1)x98+100
=100x98+100
=100x(98+1)
=100x99
=9900

供参考。

回答2:

99x98+198的简便计算方法是:
99*98+198
=99*98+98+100
=98*(99+1)+100
=9800+100
=9900
这就是99*98+198的简便计算方法,计算结果等于9900。

回答3:

99×98+198
=99x98+98+100
=(99+1)x98+100
=100x98+100
=100x(98+1)
=100x99
=9900