30 乘法 3 等于多少?
30 × 3 = 90
30乘法3 等于 90
竖式演算
验算
- 用除法验算:90 ÷ 3 = 30
- 用除法验算:90 ÷ 30 = 3
相关题目
30 × 2 = 60
30 × 4 = 120
30 × 1 = 30
30 × 5 = 150
30 × 6 = 180
30 × 7 = 210
30 × 8 = 240
30 × 9 = 270
29 × 3 = 87
31 × 3 = 93
28 × 3 = 84
32 × 3 = 96
33 × 3 = 99
27 × 3 = 81
34 × 3 = 102
26 × 3 = 78
1 × 90 = 90
2 × 45 = 90
3 × 30 = 90
5 × 18 = 90
6 × 15 = 90
9 × 10 = 90
90 × 50 = 4500
43 × 77 = 3311
87 × 66 = 5742
86 × 65 = 5590
31 × 96 = 2976
7 × 95 = 665
32 + 58 = 90
98 - 8 = 90