| «‹ August 2026 ›» | | S | M | T | W | T | F | S | | | | | | | 1 | | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | 9 | 10 | 11 | 12 | 13 | 14 | 15 | | 16 | 17 | 18 | 19 | 20 | 21 | 22 | | 23 | 24 | 25 | 26 | 27 | 28 | 29 | | 30 | 31 | |
|
| 2006 年 4 月 9 日 星期日 |
 |
| |
| math |
p.106
4a.
[2x7x2]+[15x7x2]+[2x15x2]
=28+210+6
=298[cm2]
2x7x15
=210[cm3]
___________________________________________________
4b.
[12x5÷2x2]+[26x12]+[13x26]+[5x26]
=60+312+338+130
=840[cm2]
[5x12÷2]x26
=30x26
=780[cm3]
___________________________________________________
p.107
8a.
[18x12x2]+[23x12x2]+[18x23x2]
=432+552+828
=1812[cm3]
8b.
23x18x12
=4968[cm3]
______________________________________________________________________________
p.111
2a.
7.5x10
|
| 刊登時間︰2006-04-09 09:05 PM [ 編輯日誌 ] [ 分享至FACEBOOK ] |
|
