设 aandba \operatorname{and} baandb 为 aaa 与 bbb 的按位与运算值,若 xandy=0x \operatorname{and} y = 0xandy=0,是否满足 xandz+yandz=(x+y)andzx \operatorname{and} z + y \operatorname{and} z = (x + y) \operatorname{and} zxandz+yandz=(x+y)andz?