如果规定△表示一种运算,且a△b=a-2b/ab,求3△(4△1/2)的值
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3△(4△1/2)
=3△[ ( 4 - 2× 1/2 ) ÷ ( 4× 1/2 ) ]
=3△(3/2)
=(3 - 2× 3/2) ÷ (3×3/2)
=0÷ (9/2)
=0
=3△[ ( 4 - 2× 1/2 ) ÷ ( 4× 1/2 ) ]
=3△(3/2)
=(3 - 2× 3/2) ÷ (3×3/2)
=0÷ (9/2)
=0
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3△(4△1/2)
=3△[ ( 4 - 2× 1/2 ) ÷ ( 4× 1/2 ) ]
=3△(3/2)
=(3 - 2× 3/2) ÷ (3×3/2)
=0÷ (9/2)
=0
=3△[ ( 4 - 2× 1/2 ) ÷ ( 4× 1/2 ) ]
=3△(3/2)
=(3 - 2× 3/2) ÷ (3×3/2)
=0÷ (9/2)
=0
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