21/2+1 1/2 x 2/3 =… Yg 1 1/2 itu bukan 11/2 Tpi 1 1/2

21/2 + 1 ½ x ⅔
= 21/2 + (3/2 x 2/3)
= 21/2 + 6/6
= 21/2 + 1
= 1 21/2
= 23/2
= 11 ½

Maaf bila ada kesalahan

21/2+3/2×2/3 =
3/2×2/3 =6/6=1
21/2+6/6= 63/6+6/6=69/6= 11 9/6