直接写出得数: 5.46+1.56+3=________; | 63×=________; | +=________; | 3.4-0.8=________; |
0.99×9+0.99=________; | 6:8=________; | 21.7÷7=________; | 18+18+18=________; |
÷25%×=________; | 1-=________; | ×=________; | 2006-16=________. |
直接写出得数: 5.46+1.56+3=________; | 63×=________; | +=________; | 3.4-0.8=________; |
0.99×9+0.99=________; | 6:8=________; | 21.7÷7=________; | 18+18+18=________; |
÷25%×=________; | 1-=________; | ×=________; | 2006-16=________. |