用简便方法计算:48*46*36*72=
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用简便方法计算:48*46*36*72=
用简便方法计算:48*46*36*72=
用简便方法计算:48*46*36*72=
48*46*36*72= (2x2x2x2x3)x(2x23)x(3x3x2x2)x(2x2x2x3x3)=(10x2)x(5x3)x23=20x15x23=300x23=6900