Mẫu: 34 × 8 + 34 × 2

Cách 1: 34 × 8 + 34 × 2 = 272 + 68

                                      = 340

Cách 2: 34 × 8 + 34 × 2 = 34 × (8 + 2)

                                       = 34 × 10

                                       = 340

Cách 1: 61 × 4 + 61 × 5 = 244 + 305

                                      = 549

Cách 2: 61 × 4 + 61 × 5 = 61 × (4 + 5)

                                      = 61 × 9

                                      = 549

Cách 1: 135 × 6 + 135 × 2 = 810 + 270

                                        = 1 080

Cách 2: 135 × 6 + 135 × 2 = 135 × (6 + 2)

                                        = 135 × 8

                                        = 1 080