1.hitunglah 1½ × ⅔ – 2 ¹/6 + ¾ : 1 ⁴/5 = A.-½ B.½ C.-¾ D.¾ pakai cara sob…

1¹/₂ x ²/₃ – 2¹/₆ + ³/₄ : 1⁴/₅
= (³/₂ x ²/₃) – ¹³/₆ + (³/₄ : ⁹/₅)
= ⁶/₆ – ¹³/₆ + ³/₄ x ⁵/₉
= ⁶/₆ – ¹³/₆ + ¹⁵/₃₆
= – ⁷/₆ + ¹⁵/₃₆
= -⁴²/₃₆ + ¹⁵/₃₆
= -²⁷/₃₆
= -³/₄ (C)