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There is an __________ (表情) of anger on his face now.
1年前
A、B两地相距440千米,甲、乙两辆汽车同时从两地相对开出,甲车每时行60千米,乙车每时行50千米,两车开出几时后相遇?
1年前
The mother didn't know___________ is to blame for the broken glass as it happened while she was out.
1年前
已知⊙O的直径为10,点A,点B,点C在⊙O上,∠CAB的平分线交⊙O于点D. 如图①,若BC为⊙O的直径,AB=6,求AC,BD,CD的长;
1年前
1年前