0.23×56+2.3×440+0.46×0.5.0.23×56+2.3×440+0.46×0.5,
=0.23×56+0.23×4400+0.23×2×0.5,
=0.23×(56+4400+1),
=0.23×4457,
=1025.11;
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23×56+2.3×440+0.46×0.5.
编辑:chaxungu时间:2026-04-27 13:19:03分类:小学数学题库
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