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25×43+0.75×19= .

编辑:chaxungu时间:2026-04-27 13:18:16分类:小学数学题库

0.25×43+0.75×19=______.0.25×43+0.75×19,
=0.25×43+0.25×57,
=0.25×(43+57),
=0.25×100,
=25.
故答案为:25.