4/7×23又12/13+16×1/7+1/7×4/13

来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/19 04:17:33
4/7×23又12/13+16×1/7+1/7×4/134/7×23又12/13+16×1/7+1/7×4/134/7×23又12/13+16×1/7+1/7×4/134/7×23又12/13+16×

4/7×23又12/13+16×1/7+1/7×4/13
4/7×23又12/13+16×1/7+1/7×4/13

4/7×23又12/13+16×1/7+1/7×4/13
4/7×23又12/13+16×1/7+1/7×4/13
=188/13