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计算:99×58-0.625×68+6.25×0.1= .

编辑:chaxungu时间:2026-04-27 13:33:56分类:小学数学题库

计算:99×
5
8
-0.625×68+6.25×0.1=______.99×
5
8
-0.625×68+6.25×0.1,
=99×0.625-0.625×68+0.625×1,
=(99-68+1)×0.625,
=32×0.625,
=4×8×0.625,
=4×5,
=20;
故答案为:20.