记算:(0.5)+(+3又4分之一)+(+2.75)+(-6又2分之1)?请写出步骤

2025-01-08 05:38:40
推荐回答(1个)
回答1:

:(0.5)+(+3又4分之一)+(+2.75)+(-6又2分之1)
=(0.5-6.5)+(3.25+2.75)
=-6+6
=0
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