624 × 17
15 × 914
422 × 74
894 × 45
103 × 80
445 × 32
49 × 958
212 × 25
21 × 498
80 × 857
980 × 69
371 × 16
70 × 569
53 × 223
36 × 499
516 × 47
37 × 438
840 × 78
918 × 62
946 × 80
970 ÷ 97
456 ÷ 24
544 ÷ 17
484 ÷ 44
730 ÷ 73
924 ÷ 21
806 ÷ 62
697 ÷ 41
870 ÷ 87
684 ÷ 57
726 ÷ 66
816 ÷ 68
920 ÷ 92
830 ÷ 83
885 ÷ 59
846 ÷ 47
868 ÷ 28
780 ÷ 12
847 ÷ 77
450 ÷ 30
34.85－11.73
75.8＋59.35
4.39＋40.78
67.23－19.17
50.1－48.6
91.91－75.10
53.73－31.75
64.48－14.2
39.03－4.98
2.04＋0.13