| 10.8-0.8÷(0.35+0.05) | 8×[1÷(2.3-2.25)] | ||||||
| 2.64×9.9+0.264 | 18×(
|
=10.8-0.8÷0.4,
=10.8-2,
=8.8;
②8×[1÷(2.3-2.25)],
=8×[1÷0.05],
=8×20,
=160;
③2.64×9.9+0.264,
=0.264×99+0.264,
=0.264×(99+1),
=0.264×100,
=26.4;
④18×(
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 2 |
=18×
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 2 |
=3+6-9,
=0.
编辑:chaxungu时间:2026-04-27 13:19:00分类:小学数学题库
| 10.8-0.8÷(0.35+0.05) | 8×[1÷(2.3-2.25)] | ||||||
| 2.64×9.9+0.264 | 18×(
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| 6 |
| 1 |
| 3 |
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| 1 |
| 6 |
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