|0.25|÷|-3|×|-12|等于几?

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|0.25|÷|-3|×|-12|等于几?|0.25|÷|-3|×|-12|等于几?|0.25|÷|-3|×|-12|等于几?|0.25|÷|-3|×|-12|=0.25÷3×12=1=O.25/3*

|0.25|÷|-3|×|-12|等于几?
|0.25|÷|-3|×|-12|等于几?

|0.25|÷|-3|×|-12|等于几?
|0.25|÷|-3|×|-12|
=0.25÷3×12
=1

=O.25/3*12=0.25/0.25=1