(3.75)-(2.85)+(1.25)-(0.5)+3.15-(+2.5)等于多少?

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2024-12-28 01:03:27
推荐回答(3个)
回答1:

=3.75+1.25+(3.15-2.85)-(2.5+0.5)
=5+0.3-3=2.3

回答2:

7.3

回答3:

2.3