a#b=(aXb)-(a+b)则2#(3x4),#=多少?
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a#b=(aXb)-(a+b)则2#(3x4),#=多少?
![a#b=(aXb)-(a+b)则2#(3x4),#=多少?](/uploads/image/z/20108929-49-9.jpg?t=a%23b%3D%28aXb%29-%28a%2Bb%29%E5%88%992%23%EF%BC%883x4%EF%BC%89%2C%23%3D%E5%A4%9A%E5%B0%91%3F)
2#(3x4)
=2#12
=2*12-(2+12)
=24-14
=10
=2#12
=2*12-(2+12)
=24-14
=10
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