19회 4 급 승 산 4 급 제 산 1 1,926 × 867 = 1,669,842 1 223,036 ÷ 74 = 3,014 2 428 × 8,254 = 3,532,712 2 821,950 ÷ 967 = 850 3 17 × 45,731 = 777,427 3 549,225 ÷ 7,323 = 75 4 3,408 × 109 = 371,472 4 408,816 ÷ 501 = 816 5 503 × 2,097 = 1,054,791 5 519,064 ÷ 62 = 8,372 6 20,659 × 43 = 888,337 6 293,562 ÷ 846 = 347 7 2,865 × 231 = 661,815 7 273,802 ÷ 8,053 = 34 8 3..