Across
- 2. 12-[13-(2+1)]+{100-[49-(30-10)]}
- 3. {25+[(22-16)+4]-8}+[24-(7+9+8)]
- 4. (27-12)+5-[27-(15-8+2)+1]
- 6. [(6+4)-(17-13)]+[(8+3+5)-(10-5)]
- 8. 20+22-(4+28)+28-(16-8)
Down
- 1. 80-(15-13)+17+(6-1)+5
- 2. 5×3+7-(12+1)-2×(10-9)-1
- 3. (20+9)-7+2-(8+6)+12
- 5. (18-2×7)×4+7×(5×6-29)-8-15
- 7. (125-120)+(60-58)+(17-10)-(6+1)