定义运算A#B=A/3+B/4,已知4#B=4,那么B等于( )
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![定义运算A#B=A/3+B/4,已知4#B=4,那么B等于( )](/uploads/image/z/86428-28-8.jpg?t=%E5%AE%9A%E4%B9%89%E8%BF%90%E7%AE%97A%23B%3DA%2F3%2BB%2F4%2C%E5%B7%B2%E7%9F%A54%23B%3D4%2C%E9%82%A3%E4%B9%88B%E7%AD%89%E4%BA%8E%EF%BC%88+%EF%BC%89)
定义运算A#B=A/3+B/4,已知4#B=4,那么B等于( )
定义运算A#B=A/3+B/4,已知4#B=4,那么B等于( )
定义运算A#B=A/3+B/4,已知4#B=4,那么B等于( )
A#B=A/3+B/4
4#B=4/3+b/4=(16+3b)/12=4
所以
16+3b=48
3b=32
b=32/3
4#B=A/3+B/4=4/3+B/4=4;
B=32/3