根据算式312×23=7176,在横线里填上适当的数.
| 3.12×23=________ | 31.2×0.23=________ |
| 3120×0.023=________ | 717.6=________×________. |
| 直接写出得数 (1)2+1.35= | (2) | (3)0.4×2.5 | (4)17-9= |
| (5) | (6)2÷3= | (7)0×354= | (8)35.9÷6≈ |
| (9) | (10) | (11)32-5= | (12)2.16÷100= |
| 3.12×23=________ | 31.2×0.23=________ |
| 3120×0.023=________ | 717.6=________×________. |
| 直接写出得数 (1)2+1.35= | (2) | (3)0.4×2.5 | (4)17-9= |
| (5) | (6)2÷3= | (7)0×354= | (8)35.9÷6≈ |
| (9) | (10) | (11)32-5= | (12)2.16÷100= |