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99×22.2+33.3×3.34.

编辑:chaxungu时间:2026-04-27 13:18:47分类:小学数学题库

9.99×22.2+33.3×3.34.9.99×22.2+33.3×3.34,
=33.3×6.66+33.3×3.34,
=33.3×(6.66+3.34),
=33.3×10,
=333.