Page 7 - 订正六年级数学:27-29/10/2020
P. 7

订正:27-29/10/2020























                                                                                     1


                                                                                     51cm – 10cm – 10cm – 7cm
                                                                                     = 24cm



                                          10cm                                       2


                                                                                     Q = 24cm ÷ 4

                                                                                         = 6cm














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