解：简便方法如下
2/3×1/12+1/12÷3-1/12
=2/3×1/12+1/12×1/3-1/12
=1/12×（2/3+1/3-1）
=1/12×0
=0
用乘法分配律简算
原式＝1／12×（2／3+1／3）-1／12
＝1／12-1／12
＝0
=2/3*1/12+1/12*1/3-1/12
=1/12*(2/3+1/3-1)
=1/12*0
=0
2/3×1/12+1/12÷3-1/12 除以3可改写成乘以1/3
=2/3×(1/12)+1/12x (1/3)-1/12
=(1/12)x(2/3+1/3)-1/12
=(1/12)x1-1/12
=1/12-1/12
=0
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