题目9单选题
方程组<img src="https://tihai-oss-cloud.itihey.com/img/6d481faf036212592c10d298d9c4c866.png">的通解为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/a147a3d0e3805f51167849f024230588.png">,(<img src="https://tihai-oss-cloud.itihey.com/img/0577d5fdd89027c94d8c0a3eb46b82a0.png">为任意数)B. <img src="https://tihai-oss-cloud.itihey.com/img/ea8aa35ecc8b917f6c7ca4b512df42cf.png">, (<img src="https://tihai-oss-cloud.itihey.com/img/0577d5fdd89027c94d8c0a3eb46b82a0.png">为任意数)C. <img src="https://tihai-oss-cloud.itihey.com/img/62a31e6dfb1560793f94e3917d13b2c9.png">, (<img src="https://tihai-oss-cloud.itihey.com/img/0577d5fdd89027c94d8c0a3eb46b82a0.png">为任意数)D. <img src="https://tihai-oss-cloud.itihey.com/img/0de2d416ff8f90b85c68e418d9ca439c.png">, (<img src="https://tihai-oss-cloud.itihey.com/img/0577d5fdd89027c94d8c0a3eb46b82a0.png">为任意数)