1.25×99+1.25×10+1.25用简便计算怎么做?

2025-04-08 08:24:19
推荐回答(4个)
回答1:

1.25×99+1.25×10+1.25
=1.25×(99+10+1)
=1.25×110
=137.5
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回答2:


回答3:

=1.25x(99+1)+12.5
=1.25x100+12.5
=125+12.5
=137.5
,,,

回答4:

=1.25*(99+1)+12.5
=1.25*100+12.5
=125+12.5
=137.5
=)