[回報] 9/30JJ
Sorry, I can't type Chinese now.
plumb
decoded
indecipherable
nefarious
entertaining
stylus: engraving
chisel: carving
shield: protecting
easel
quell
severity
wince
horror
vignette
skit
Q
1.
0<x<1
-1<y<0
A B
|x+y| 1
2.list-a 17,18,19,20,21,22,23
list-b 11,12,13,14,15,16
pick one number from list-a and another from list-b
how many posibilities do their sums have?
3. k is a 2-digit prime number
A B
the largest prime factor of 39k the largest prime factor of 40k
Here I am not sure 39k means 39*k or k is a suffix.
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推
09/30 19:50, , 1F
09/30 19:50, 1F
→
09/30 20:02, , 2F
09/30 20:02, 2F
→
09/30 21:09, , 3F
09/30 21:09, 3F
推
09/30 21:44, , 4F
09/30 21:44, 4F
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