
(-1又3分之2)*(0.5-3分之2)/1又9分之1
2个回答
展开全部
(-1又3分之2)*(0.5-3分之2)/1又9分之1
=5/3x(2/3-1/2)x9/10
=5/3x9/10x(4/6-3/6)
=3/2x1/6
=1/4
=5/3x(2/3-1/2)x9/10
=5/3x9/10x(4/6-3/6)
=3/2x1/6
=1/4
追问
[-6分之11]*(-11分之3)/(2分之1-2)
追答
[-6分之11]*(-11分之3)/(2分之1-2)
=11/6x3/11x(-2/3)
=-1/2x2/3
=-1/3
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