(数学)简便计算:5/6*(1-75%)+1/4+0.25*1/6

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(数学)简便计算:5/6*(1-75%)+1/4+0.25*1/6

(数学)简便计算:5/6*(1-75%)+1/4+0.25*1/6
(数学)简便计算:5/6*(1-75%)+1/4+0.25*1/6

(数学)简便计算:5/6*(1-75%)+1/4+0.25*1/6
=5/6*1/4+1/4+1/4*1/6
=1/4*(5/6+1+1/6)
=1/4*2
=1/2

=5/6 ×1/4+1×1/4+1/6×1/4
=(5/6+1+1/6)×1/4
=2×1/4
=1/2

=5/6*0.25+0.25+0.25*1/6
=0.25*(5/6+1+1/6)
=0.25*2
=0.5