若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0.5)=( )

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若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0.5)=()若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0

若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0.5)=( )
若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0.5)=( )

若3◎2=3x5-2x2,0.5◎0.7=0.5x5-0.7x2,...那么:4◎(1.6◎0.5)=( )
4◎(1.6◎0.5)
=4◎(1.6×5-0.5×2)
=4◎7
=4×5-7×2
=6

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