8+(-1/4)-5-(-0.25)

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8+(-1/4)-5-(-0.25)8+(-1/4)-5-(-0.25)8+(-1/4)-5-(-0.25)8-1/4-5+1/4=8-5=3等于38-1/4-5+1/4=8-5=33等于三.

8+(-1/4)-5-(-0.25)
8+(-1/4)-5-(-0.25)

8+(-1/4)-5-(-0.25)
8-1/4-5+1/4
=8-5
=3

等于3

8-1/4-5+1/4
=8-5
=3

等于三.