18の性質
かけ算18の段（18の倍数）
- 18 × 1 = 18
- 18 × 2 = 36
- 18 × 3 = 54
- 18 × 4 = 72
- 18 × 5 = 90
- 18 × 6 = 108
- 18 × 7 = 126
- 18 × 8 = 144
- 18 × 9 = 162
- 18 × 10 = 180
- 18 × 11 = 198
- 18 × 12 = 216
- 18 × 13 = 234
- 18 × 14 = 252
- 18 × 15 = 270
- 18 × 16 = 288
- 18 × 17 = 306
- 18 × 18 = 324
- 18 × 19 = 342
- 18 × 20 = 360
- 18 × 21 = 378
- 18 × 22 = 396
- 18 × 23 = 414
- 18 × 24 = 432
- 18 × 25 = 450
- 18 × 26 = 468
- 18 × 27 = 486
- 18 × 28 = 504
- 18 × 29 = 522
- 18 × 30 = 540
- 18 × 31 = 558
- 18 × 32 = 576
- 18 × 33 = 594
- 18 × 34 = 612
- 18 × 35 = 630
- 18 × 36 = 648
- 18 × 37 = 666
- 18 × 38 = 684
- 18 × 39 = 702
- 18 × 40 = 720
- 18 × 41 = 738
- 18 × 42 = 756
- 18 × 43 = 774
- 18 × 44 = 792
- 18 × 45 = 810
- 18 × 46 = 828
- 18 × 47 = 846
- 18 × 48 = 864
- 18 × 49 = 882
- 18 × 50 = 900
- 18 × 51 = 918
- 18 × 52 = 936
- 18 × 53 = 954
- 18 × 54 = 972
- 18 × 55 = 990
- 18 × 56 = 1008
- 18 × 57 = 1026
- 18 × 58 = 1044
- 18 × 59 = 1062
- 18 × 60 = 1080
- 18 × 61 = 1098
- 18 × 62 = 1116
- 18 × 63 = 1134
- 18 × 64 = 1152
- 18 × 65 = 1170
- 18 × 66 = 1188
- 18 × 67 = 1206
- 18 × 68 = 1224
- 18 × 69 = 1242
- 18 × 70 = 1260
- 18 × 71 = 1278
- 18 × 72 = 1296
- 18 × 73 = 1314
- 18 × 74 = 1332
- 18 × 75 = 1350
- 18 × 76 = 1368
- 18 × 77 = 1386
- 18 × 78 = 1404
- 18 × 79 = 1422
- 18 × 80 = 1440
- 18 × 81 = 1458
- 18 × 82 = 1476
- 18 × 83 = 1494
- 18 × 84 = 1512
- 18 × 85 = 1530
- 18 × 86 = 1548
- 18 × 87 = 1566
- 18 × 88 = 1584
- 18 × 89 = 1602
- 18 × 90 = 1620
- 18 × 91 = 1638
- 18 × 92 = 1656
- 18 × 93 = 1674
- 18 × 94 = 1692
- 18 × 95 = 1710
- 18 × 96 = 1728
- 18 × 97 = 1746
- 18 × 98 = 1764
- 18 × 99 = 1782
- 18 × 100 = 1800
18 は 360 を 20 等分した値で、角度の問題などでよく出てきます。上位校の受験生は 18 の倍数、特に
18 × 6 = 108
18 × 7 = 126
18 × 8 = 144
18 × 9 = 162
は必ず覚えましょう！
