问题 口算题

算一算,你发现了什么?    

5×7=35                           7×6= 42                          2×7 =14                    3×7 =21    

35÷5=                             42÷7=                            14÷2=                        21÷3=   

35÷7=                             42÷6=                            14÷7=                        21÷7=

答案

7;6;7;7;5;7;2;3

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