直接写得数.
| 0.65×1000= | 7.5÷1.5= | 40×2.5= | 2.75+7.25= |
| 1.6÷0.01= |
| 直接写得数: 32+8=________; | 4×2=________; | 25-20=________; | 3×6=________; |
| 7+29=________; | 62-30=________; | 82-4=________; | 10+42=________; |
| 26+18=________; | 5+78=________; | 2×1=________; | 5×5+4=________; |
| 6×2-4=________; | 1米-40厘米=________; | 36+20=________; | 23-18+18=________; |
| 23厘米-7厘米=________. |
能简算的要简算.
| 6-2 | 5×32×12.5. |