a3cf2e0e4113015

http://nhiro.org.s3.amazonaws.com/b/0/b0b815086a35fdcf0c6dca797f8de6f1.jpg https://gyazo.com/b0b815086a35fdcf0c6dca797f8de6f1

(OCR text)

16

x3を-2倍してみる

(Kor lad ant x)

-2%, -2

F

F..

I

F..

T

2

2 F

KtX-2%,>0.5

.TT

F L