2010 ̈ጯᇴጯᚮᔈᏴ٥ᔈܐᔈྏᗟ
ௐ ˘ ྏĈࢍ ზ ᗟ (҂ྏॡม 1 ̈ॡ)
◎ኛඍ९ˢඍ९ס၆ᑕᗟཱི۞۩ॾ̰Ă̙ืࢍზ࿅Ąඍ९ࡶࠎ̶ᇴኛ̼
ࠎᖎ̶ᇴĄώᗟϫסϒͅࢬ۩ϨΞࠎүႊზਨቇ৽ĄՏᗟ5 ̶ĂВ100 ̶ 1. (100ů30ů3)×30Ŷ?
2. 142857×8Ŷ?
3. (700Ů701Ů702Ů703Ů704Ů705Ů706Ů707Ů708Ů709Ů710)÷705Ŷ?
4. 13579×32×81÷36÷72Ŷ?
5. 1 1 1 1 1
2 + +4 12+ +7 42Ŷ?
6. 485×9.7÷2ů18.5×37÷2Ŷ?
7. 4321+5432.1+6543.2+7654.3+8765.4+9876.5+987.6Ů1098.7Ů2109.8Ů 3210.9Ŷ?
8. 1200Ů1206Ů1212Ů…Ů2004Ů2010Ŷ?
9. 26×26×224466ů24×24×224466Ŷ?
10. 21Ů201Ů210Ů2001Ů2100Ů20001Ů21000Ů…Ů }50 0 20L01
࣎
Ů }50 0 210L0
࣎
Ŷ?
11. 1.21 1.21 2 1.21 3 1.21 4 0.99 9.9 99 0.99 9.9
+ × + × + ×
× × + × Ŷ?
12. 56
84×42×320032+26
78×21×640064=?
Ğኛᖙࢬᚶᜈүඍğ
13. 1 3 5 7 297 299 2010 67 2010 67 + + + + + +
÷ +L × Ŷ?
14. 2010÷ 2010 20102010
2100Ŷ?
15. 10
255+ 9
455+ 8
855+ 7
1655+…+ 1 102455Ŷ?
16. 46230 92460 192960 64320 128640 138690× × Ŷ?
17. 7 14 21 11 22 33 13 26 39
7 7 7 7 11 13 7 11 11 11 11 13 7 11 13 13 13 13
× × + × × + × ×
× × × × × + × × × × × + × × × × × Ŷ?
18. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2× 3× 4× 5× 6× 7 − 2× 3× 4× 5× 6 + 2× 3× 4× 5 − 2× 3× 4 Ŷ?
19. 1
2 ?
1 3
1 4
1 4
1 3
1 2
1 1
1 1
= +
+
+ + +
+ +
20. 3.99 7.98 7.98 7.98 3.99 3.99 7.98 7.98 3.99 3.99 3.99 7.98 (3.99 3.99 1) 4.99 2.99 1
× × × + × × × + × × ×
× + × × + Ŷ?