1.C 2.C 3.A 4.B 5.C 6.A
1.ABCD 2.ABCD 3.ABD
1.× 2.√ 3.× 4.√ 5.√ 0qbhF4AoJVR0xKitB/fswYrFdaAzoE7fbqrqDcYvDKuiWLZmzgQkHo6mr8FaHxvH