4.98*99+4.98的简便运算

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2024-12-27 00:28:35
推荐回答(5个)
回答1:

4.98*(99+1)=4.98*100=498

回答2:

4.98*99+4.98
=4.98*(99+1)
=4.98*100
=498

回答3:

4.98x99+4.98
=4.98x(99+1)
=4.98x100
=498

回答4:

4.98×(99+1)=498

回答5:

4.98*99+4.98
=4.98*(99+1)
=4.98*100
=498