Calculate (- 1) × (- 1) 2 × ((- 1) 3 × ×(-1)^99×(-1)^100
-The even power of 1 is 1, the odd power is - 1, and the answer is 1
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- 11. 1+2+3+4+5+6+7+8.+95+96+97+98+99+100
- 12. 1+2+3+4+5.+95+96+97+98+99=?
- 13. This is a mark problem And 1 / 21 + 202 / 2121 + 50505 / 2121 + 13131313 / 2121 1/2+3/4+5/6+… /… +97/98+99/100
- 14. 1+3+5+97+99/2+4+6+98+100=? 1 + 3 + 5 +... + 97 + 99 / 2 + 4 + 6 +... + 98 + 100 =? It's a mistake
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