奧數,難! 要列步驟及解釋10分thanks!!!!!!!

2007-12-02 5:32 am
1.)124x27-45x13-45x11+124x18
要列步驟及解釋


2.)44444x16+33333x12
要列步驟及解釋

THANKS!!
更新1:

要列步驟及解釋,答案!

回答 (2)

2007-12-02 6:38 am
✔ 最佳答案
1.(124x27+124x18)-(45x13+45x11)
=124x45-45x24
=45x(124-24)
=45x100

2.11111x4x16+11111x3x12
=11111x64+11111x36
=11111x100
=1111100

I am a school team!!!
2007-12-04 2:30 am
1)124x27-45x13-45x11+124x8
=3348-585-495+2232
=2763-495+2232
=2268+2232
=4500

2)44444x16+33333x12
=711104+399996
=1111100
參考: 完整答案.......完成!


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