| 计算。 | ||||
|
| (1)126×17.5-26×17.5 =17.5×(126-26) =17.5×100 =1750 | (2)12.5×2.5×8×0.4 =(12.5×8)×(2.5×0.4) =100×1 =100 |
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编辑:chaxungu时间:2026-04-27 13:33:57分类:小学数学题库
| 计算。 | ||||
|
| (1)126×17.5-26×17.5 =17.5×(126-26) =17.5×100 =1750 | (2)12.5×2.5×8×0.4 =(12.5×8)×(2.5×0.4) =100×1 =100 |
(3)![]() = ![]() = ![]() = ![]() | (4)![]() = ![]() = ![]() = ![]() |