直接写出得数
| (1)6-1 | (2)3.25+1 | (3)270+0.03= | (4)0.1+1.25= | (5)3.08-3.08+3.08= |
| (6)0.8+4 | (7)99×101-99= | (8)(10+0.8)×125= | (9)7 | (10) |
求未知数.
| 0.75X+3×0.8=7.5 |
| (1)6-1 | (2)3.25+1 | (3)270+0.03= | (4)0.1+1.25= | (5)3.08-3.08+3.08= |
| (6)0.8+4 | (7)99×101-99= | (8)(10+0.8)×125= | (9)7 | (10) |
求未知数.
| 0.75X+3×0.8=7.5 |