1a) 32×(6-13)-32×(13-16) = 32x(-7) - 32x(-3) = -224 + 96 = -1281b) 2 2/11 × (5/6 - 3/8) = 2 2/11 × (20/24 - 9/24) = 2 2/11 × 11/24 = 22/11 × 11/24 = 22/24 = 11/121c) 7.6 ÷ 0.19 = 40
1a) 32×(6-13)-32×(13-16) = 32x(-7) - 32x(-3) = -224 + 96 = -128
1b) 2 2/11 × (5/6 - 3/8) = 2 2/11 × (20/24 - 9/24) = 2 2/11 × 11/24 = 22/11 × 11/24 = 22/24 = 11/12
1c) 7.6 ÷ 0.19 = 40