98の性質
かけ算98の段（98の倍数）と計算方法
- 98 × 1 = 98
- 98 × 2 = 196
- 98 × 3 = 294
- 98 × 4 = 392
- 98 × 5 = 490
- 98 × 6 = 588
- 98 × 7 = 686
- 98 × 8 = 784
- 98 × 9 = 882
- 98 × 10 = 980
- 98 × 11 = 1078
- 98 × 12 = 1176
- 98 × 13 = 1274
- 98 × 14 = 1372
- 98 × 15 = 1470
- 98 × 16 = 1568
- 98 × 17 = 1666
- 98 × 18 = 1764
- 98 × 19 = 1862
- 98 × 20 = 1960
- 98 × 21 = 2058
- 98 × 22 = 2156
- 98 × 23 = 2254
- 98 × 24 = 2352
- 98 × 25 = 2450
- 98 × 26 = 2548
- 98 × 27 = 2646
- 98 × 28 = 2744
- 98 × 29 = 2842
- 98 × 30 = 2940
- 98 × 31 = 3038
- 98 × 32 = 3136
- 98 × 33 = 3234
- 98 × 34 = 3332
- 98 × 35 = 3430
- 98 × 36 = 3528
- 98 × 37 = 3626
- 98 × 38 = 3724
- 98 × 39 = 3822
- 98 × 40 = 3920
- 98 × 41 = 4018
- 98 × 42 = 4116
- 98 × 43 = 4214
- 98 × 44 = 4312
- 98 × 45 = 4410
- 98 × 46 = 4508
- 98 × 47 = 4606
- 98 × 48 = 4704
- 98 × 49 = 4802
- 98 × 50 = 4900
- 98 × 51 = 4998
- 98 × 52 = 5096
- 98 × 53 = 5194
- 98 × 54 = 5292
- 98 × 55 = 5390
- 98 × 56 = 5488
- 98 × 57 = 5586
- 98 × 58 = 5684
- 98 × 59 = 5782
- 98 × 60 = 5880
- 98 × 61 = 5978
- 98 × 62 = 6076
- 98 × 63 = 6174
- 98 × 64 = 6272
- 98 × 65 = 6370
- 98 × 66 = 6468
- 98 × 67 = 6566
- 98 × 68 = 6664
- 98 × 69 = 6762
- 98 × 70 = 6860
- 98 × 71 = 6958
- 98 × 72 = 7056
- 98 × 73 = 7154
- 98 × 74 = 7252
- 98 × 75 = 7350
- 98 × 76 = 7448
- 98 × 77 = 7546
- 98 × 78 = 7644
- 98 × 79 = 7742
- 98 × 80 = 7840
- 98 × 81 = 7938
- 98 × 82 = 8036
- 98 × 83 = 8134
- 98 × 84 = 8232
- 98 × 85 = 8330
- 98 × 86 = 8428
- 98 × 87 = 8526
- 98 × 88 = 8624
- 98 × 89 = 8722
- 98 × 90 = 8820
- 98 × 91 = 8918
- 98 × 92 = 9016
- 98 × 93 = 9114
- 98 × 94 = 9212
- 98 × 95 = 9310
- 98 × 96 = 9408
- 98 × 97 = 9506
- 98 × 98 = 9604
- 98 × 99 = 9702
- 98 × 100 = 9800
例えば 98 × 13 は次のように計算します。
98 × 13
= (100 - 2) × 13
= 1300 - 26
= 1274
98 を 100 - 2 として分配法則を使います。
98 × 11
98 × 11 は、98 を 100 - 2 とするよりも 11 を 10 + 1 にするほうが早いでしょう。
98 × 11
= 98 × (10 + 1)
= 980 + 98
= 1078
