μ˜€λžœλ§Œμ— 2dλ₯Ό ν•΄μ„œ ν–‡κ°ˆλ¦¬λŠ”λ° μœ λ‹ˆν‹° 2dμ—μ„œ μ½œλΌμ΄λ”2d(μ „λΆ€ λ‹€ 그럼) λ„£κ³  λ¦¬μ§€λ“œλ°”λ””2d λ„£μœΌλ‹ˆκ°„ μ—λŸ¬μ°½ λœ¨λ©΄μ„œ μ•ˆλ˜λ„€..


κ·Έλž˜μ„œ λ°˜λŒ€λ‘œ λ¦¬μ§€λ“œ λ„£κ³  μ½œλΌμ΄λ” λ„£μœΌλ‹ˆ μ΄κ±΄λ˜λ„€.


μ›λž˜ μ•ˆλœκ²Œμ•„λ‹ˆλΌ μ›λž˜ λ¬λŠ”λ° 2017λ˜κ³ λ‚˜μ„œ 바뀐거지?