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5:33

[數學概念]為什麼負負得正

ugohow 有夠好線上課程

Shared 1 year ago

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0:41

中國真實經濟竟為負數?| #新唐人電視台

新唐人電視台

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8:15

|國中數學|七年級|108課綱|負數|分配律|四則運算|(Negative Number|Distributive Law|Arithmetic)

雨虹數學

Shared 2 years ago

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