问题 填空题

计算:

454+999×999+545=______.    

8.08×11.23+11.23×10.92+11.23=______.    

125×198÷(18÷8)=______.

答案

(1)454+999×999+545,

=454+545+999×999,

=999+999×999,

=999×(1+999),

=999×1000,

=999000;

(2)8.08×11.23+11.23×10.92+11.23,

=11.23×(8.08+10.92+1),

=11.23×20,

=224.6;

(3)125×198÷(18÷8),

=125×198÷18×8,

=125×8×(198÷18),

=1000×11,

=11000.

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