20 乘法 42 等于多少?
20 × 42 = 840
20乘法42 等于 840
竖式演算
验算
- 用除法验算:840 ÷ 42 = 20
- 用除法验算:840 ÷ 20 = 42
相关题目
20 × 41 = 820
20 × 43 = 860
20 × 40 = 800
20 × 44 = 880
20 × 39 = 780
20 × 45 = 900
20 × 38 = 760
20 × 46 = 920
19 × 42 = 798
21 × 42 = 882
22 × 42 = 924
18 × 42 = 756
23 × 42 = 966
17 × 42 = 714
24 × 42 = 1008
16 × 42 = 672
10 × 84 = 840
12 × 70 = 840
14 × 60 = 840
15 × 56 = 840
21 × 40 = 840
24 × 35 = 840
58 × 19 = 1102
35 × 40 = 1400
60 × 98 = 5880
91 × 98 = 8918
1 × 71 = 71
69 × 4 = 276
2 × 39 = 78
12 × 25 = 300