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6 + 5 = 11 3 x 4 = 127 + 4 = 11 3 x 6 = 187 + 5 = 12 3 x 7 = 217 + 6 = 13 3 x 8 = 248 + 3 = 11 3 x 9 = 278 + 4 = 12 4 x 6 = 248 + 5 = 13 4 x 7 = 288 + 6 = 14 4 x 8 = 328 + 7 = 15 4 x 9 = 369 + 3 = 12 6 x 7 = 429 + 4 = 13 6 x 8 = 489 + 5 = 14 6 x 9 = 549 + 6 = 15 7 x 8 = 569 + 7 = 16 9 x 7 = 639 + 8 = 17 9 x 8 = 72