VB习题已知x,y,z 三个数,使得x>y>z.If x < y Thena = xx = yy = aEnd If If y < z Thena = yy = zz = a End IfIf x < y Thena = xx = yy = aEnd If我要问的是,前两个if已交换了X,Y,Z的大小了,最后怎么还要再交换“If x < y Then”
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![VB习题已知x,y,z 三个数,使得x>y>z.If x < y Thena = xx = yy = aEnd If If y < z Thena = yy = zz = a End IfIf x < y Thena = xx = yy = aEnd If我要问的是,前两个if已交换了X,Y,Z的大小了,最后怎么还要再交换“If x < y Then”](/uploads/image/z/10396549-37-9.jpg?t=VB%E4%B9%A0%E9%A2%98%E5%B7%B2%E7%9F%A5x%2Cy%2Cz+%E4%B8%89%E4%B8%AA%E6%95%B0%2C%E4%BD%BF%E5%BE%97x%3Ey%3Ez.If+x+%3C+y+Thena+%3D+xx+%3D+yy+%3D+aEnd+If+If+y+%3C+z+Thena+%3D+yy+%3D+zz+%3D+a+End+IfIf+x+%3C+y+Thena+%3D+xx+%3D+yy+%3D+aEnd+If%E6%88%91%E8%A6%81%E9%97%AE%E7%9A%84%E6%98%AF%2C%E5%89%8D%E4%B8%A4%E4%B8%AAif%E5%B7%B2%E4%BA%A4%E6%8D%A2%E4%BA%86X%2CY%2CZ%E7%9A%84%E5%A4%A7%E5%B0%8F%E4%BA%86%2C%E6%9C%80%E5%90%8E%E6%80%8E%E4%B9%88%E8%BF%98%E8%A6%81%E5%86%8D%E4%BA%A4%E6%8D%A2%E2%80%9CIf+x+%3C+y+Then%E2%80%9D)
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