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[請問] 六下數學題
Mar 10th 2014, 19:13, by augusta68

作者augusta68 (中年貓)

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標題[請問] 六下數學題

時間Mon Mar 10 19:13:04 2014

============================================================================ 請幫解六下數學題 X-405=395 X-405+( )=395+( ) X=(800) 我只解出這裡 第二行那兩個框框是要寫什麼?? 謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 122.118.65.70

carnie:405 03/10 19:16

augusta68:請問一下為什麼? 03/10 19:17

susaku:把左邊-405消掉啊 03/10 19:18

augusta68:謝謝解答~我想我明白了~謝謝 03/10 19:19

ken1325:第二行隨便填都可以吧 03/10 19:27

kobe8112:樓上誤會這題的用意了,目標是要解X 03/10 19:28

occopy:0.0 03/10 19:38

crocus:第二行是405 03/10 19:48

crocus:亂填算錯吧?應該是概念性的問題 03/10 19:48

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