1) 31 × 71 31 × 1 = 31 31 × 70 = 2,170 Total = 31 + 2,170 = 2,201 ✅2) 95 × 48 95 × 8 = 760 95 × 40 = 3,800 Total = 760 + 3,800 = 4,560 ✅3) 66 × 19 66 × 9 = 594 66 × 10 = 660 Total = 594 + 660 = 1,254 ✅4) 26 × 71 26 × 1 = 26 26 × 70 = 1,820 Total = 26 + 1,820 = 1,846 ✅5) 15 × 59 15 × 9 = 135 15 × 50 = 750 Total = 135 + 750 = 885 ✅6) 75 × 62 75 × 2 = 150 75 × 60 = 4,500 Total = 150 + 4,500 = 4,650 ✅7) 21 × 96 21 × 6 = 126 21 × 90 = 1,890 Total = 126 + 1,890 = 2,016 ✅