45乘以99加45用简便方法怎么计算

2025-03-22 09:50:54
推荐回答(4个)
回答1:

=45乘以(99+1) =45乘以100 =4500

回答2:

=45*(99+1)
=45*100
=4500
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回答3:

45×99+45
=45×(99+1)
=45×100
=4500

回答4:

=45×(99+1)
=45×100
=4500