21회 6 급 승 산 6 급 제 산 1 976 × 36 = 35,136 1 1,110 ÷ 30 = 37 2 27 × 609 = 16,443 2 5,310 ÷ 59 = 90 3 302 × 40 = 12,080 3 2,562 ÷ 42 = 61 4 30 × 837 = 25,110 4 2,125 ÷ 85 = 25 5 831 × 29 = 24,099 5 1,296 ÷ 27 = 48 6 69 × 241 = 16,629 6 4,200 ÷ 60 = 70 7 297 × 63 = 18,711 7 6,708 ÷ 78 = 86 8 12 × 182 = 2,184 8 156 ÷ 13 = 12 9 465 × 95 = 44,175 9 1,845 ..