挑战习题
1/5单选题
难度:

1.

不等式2x<6的非负整数解为(    )


A

0,1,2

B

1,2

C

0,-1,-2

D

无数个

提示1:
PHA+6aaW5YWI5Yip55So5LiN562J5byP55qE5Z+65pys5oCn6LSo6Kej5LiN562J5byP77yMPC9wPg==
提示2:
PHA+5YaN5LuO5LiN562J5byP55qE6Kej6ZuG5Lit5om+5Ye66YCC5ZCI5p2h5Lu255qE6Z2e6LSf5pW05pWw5Y2z5Y+vLjwvcD4=
正确答案:QQ==
PGRpdj7op6PnrZTvvJrkuI3nrYnlvI8yeO+8nDbnmoTop6Ppm4bmmK9477ycM++8jDxicj7lm6DogIzkuI3nrYnlvI/nmoTpnZ7otJ/mlbTmlbDop6PmmK8w77yMMe+8jDIuPGJyPuaVhemAiUEuPC9kaXY+