
2又5分之|x(一6分之1)x11分之3x1又4分之1
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2又5分之|x(一6分之1)x11分之3x1又4分之1
=(2+1/5)(-1/6)(3/11)(1+1/4)
=-(11/5)(1/6)(3/11)(5/4)
=-(11*3*5)/(5*6*11*4)
=-1/(2*4)
=-1/8
=(2+1/5)(-1/6)(3/11)(1+1/4)
=-(11/5)(1/6)(3/11)(5/4)
=-(11*3*5)/(5*6*11*4)
=-1/(2*4)
=-1/8
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