Сравни выражения и поставь знак > < или =.

1. 1 * 18 + 18 > 1 * 18 - 18 * 1 * 18 + 18 = 18 + 18 = 36 * 1 * 18 - 18 = 18 - 18 = 0 * 36 > 0 2. 0 * 54 < 54 + 0 * 0 * 54 = 0 * 54 + 0 = 54 * 0 < 54 3. 8 * 9 < 8 * 9 + 9 * 8 * 9 = 72 * 8 * 9 + 9 = 72 + 9 = 81 * 72 < 81 4. 6 * 7 = 6 * 8 - 6 * 6 * 7 = 42 * 6 * 8 - 6 = 48 - 6 = 42 * 42 = 42