Tính: 4 × 5 + 16 2 × 1 - 2 =............... =................ =................ =................ 2 × 7 + 38 4 × 9 - 17 =................ =............... =................ =................ 3 × 9 + 13 4 × 8 - 19 =............... =................ =................ =................ 4 × 4 + 26 =............... =................ 1 × 3 + 97 =............... =................