题目内容
| 直接写得数．（得数保留一位小数） 0.6×0.8≈ | 3.1×0.3≈ | 0.32×3≈ | 4.2×O.3≈ |
| 2.9×0.3≈ | 0.13×0.5≈ | 0.15+0.4≈ | 1.8×0.2≈ |
| 1.3×0.4≈ |
| 0.6×0.8≈0.5 | 3.1×0.3≈0.9 | 0.32×3≈1.0 | 4.2×O.3≈1.3 |
| 2.9×0.3≈0.9 | 0.13×0.5≈0.1 | 0.15+0.4≈0.6 | 1.8×0.2≈0.4 |
| 1.3×0.4≈0.5 |
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题目内容
| 直接写得数．（得数保留一位小数） 0.6×0.8≈ | 3.1×0.3≈ | 0.32×3≈ | 4.2×O.3≈ |
| 2.9×0.3≈ | 0.13×0.5≈ | 0.15+0.4≈ | 1.8×0.2≈ |
| 1.3×0.4≈ |
| 0.6×0.8≈0.5 | 3.1×0.3≈0.9 | 0.32×3≈1.0 | 4.2×O.3≈1.3 |
| 2.9×0.3≈0.9 | 0.13×0.5≈0.1 | 0.15+0.4≈0.6 | 1.8×0.2≈0.4 |
| 1.3×0.4≈0.5 |