P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=( )

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P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=()P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=()P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3

P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=( )
P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=( )

P△Q=5P+3P,P▽Q=3P-5Q,那么(3△2/3)▽0.6=( )
(3△2/3)▽0.6
=(5x3+3x2/3)▽0.6
=(15+2)▽0.6
=17▽0.6
=3x17-0.6x5
=51-3
=48