直接写得数:
30×300= | 1.2-0.6= | 360÷3= | 1.4+0.8= | 80×90×0= |
209÷7≈ | 78×40≈ | 321÷8≈ | 61×58≈ | 410÷6≈ |
计算下面各题,能简算的要用简便方法计算.
23.4-5.7-4.3 | (467+36×3)÷23 | 25×50×4×6 |
46×16+16×54 | 14.9+3.7+5.1+6.3 | 3800÷(1280-72×15) |
1800-800÷25×16 | 65×102 | 99×48+48. |
30×300= | 1.2-0.6= | 360÷3= | 1.4+0.8= | 80×90×0= |
209÷7≈ | 78×40≈ | 321÷8≈ | 61×58≈ | 410÷6≈ |
23.4-5.7-4.3 | (467+36×3)÷23 | 25×50×4×6 |
46×16+16×54 | 14.9+3.7+5.1+6.3 | 3800÷(1280-72×15) |
1800-800÷25×16 | 65×102 | 99×48+48. |