[1.4-(-3.6+5.2)-4.3]-(-1.5)怎么算?

2025-03-01 09:44:38
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回答1:

[1.4-(-3.6+5.2)-4.3]-(-1.5) =[1.4-1.6-4.3]+1.5 =-4.5+1.5 =-3