Вычисли: 267 × 3; 123 × 6; 169 × 5; 122 × 8; 453 × 2; 221 × 4; 117 × 7; 320 × 3; 132 × 6; 108 × 8; 407 × 2; 409 × 2; 367 × 2; 110 × 9; 280 × 3; 116 × 8; 265 × 3; 176 × 4; 160 × 6; 147 × 5; 219 × 4; 345 × 2; 122 × 7; 306 × 3; 490 × 2; 205 × 4; 206 × 4; 421 × 2; 278 × 3; 220 × 4; 390 × 2; 208 × 4.

Умножаем каждое число на однозначный множитель:

267 × 3 = 801; 123 × 6 = 738; 169 × 5 = 845; 122 × 8 = 976.

453 × 2 = 906; 221 × 4 = 884; 117 × 7 = 819; 320 × 3 = 960.

132 × 6 = 792; 108 × 8 = 864; 407 × 2 = 814; 409 × 2 = 818.

367 × 2 = 734; 110 × 9 = 990; 280 × 3 = 840; 116 × 8 = 928.

265 × 3 = 795; 176 × 4 = 704; 160 × 6 = 960; 147 × 5 = 735.

219 × 4 = 876; 345 × 2 = 690; 122 × 7 = 854; 306 × 3 = 918.

490 × 2 = 980; 205 × 4 = 820; 206 × 4 = 824; 421 × 2 = 842.

278 × 3 = 834; 220 × 4 = 880; 390 × 2 = 780; 208 × 4 = 832.