Ответ:

1. \( 246 \times 5 = 1230 \)

2. \( 579 \times 4 = 2316 \)

3. \( 812 \times 3 = 2436 \)

4. \( 130 \div 5 = 26 \)

5. \( 236 \div 4 = 59 \)

6. \( 246 \div 3 = 82 \)