my son makes mistakes in 基本四则运算. But he made
来源:
janeice65
于
2007-09-19 13:18:22
[
旧帖
] [
给我悄悄话
] 本文已被阅读:次
the high school team. and kids good at 基本四则运算 couldn't make the team. he never got 100% right because he make mistake in 基本四则运算.