计算下面各题(能简算的要简算)。
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| (1)原式=0.96×1.3+1.3×1.04 =(0.96+1.04)×1.3 =2.6 | (2)原式=12.5×8×6.78 =100×6.78 =678 |
| (3)原式=28.7+5.65 =34.35 | (4)原式=6.4×(100+1) =646.4 |
编辑:chaxungu时间:2026-04-27 13:34:02分类:小学数学题库
计算下面各题(能简算的要简算)。
|
| (1)原式=0.96×1.3+1.3×1.04 =(0.96+1.04)×1.3 =2.6 | (2)原式=12.5×8×6.78 =100×6.78 =678 |
| (3)原式=28.7+5.65 =34.35 | (4)原式=6.4×(100+1) =646.4 |
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