Answer:
,..............,...............?..?.?.?.?.................
Step-by-step explanation:
Answer:
The answer is 2. 2 is the only number that can't change. There is no x or ^.
Answer:
12
Step-by-step explanation:
Answer:
Should be 1/7
Step-by-step explanation:
I just measured it.
1+3+5+7+...+999 =
= 1+2+3+4+...+500
+1+2+3+...+499
= 2·(1+2+3+...+499) + 500
= 2·(499·500)/2 + 500
= 499·500 + 500
= 500·(499 + 1)
= 500·500
= 250.000