99×0.625+0.625怎么简便计算?

如题所述

99×0.625+0.625
=(99+1)×0.625
=100×0.625
=62.5
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第1个回答  2015-06-09
99×0.625+0.625
=(99+1)×0.625
=100×0.625
=62.5
第2个回答  2015-06-09
(100-1)x0.625+0.625
=100x0.625-0.625+0.625
=100x0.625
=62.5
第3个回答  2015-06-09
(99十1)x0.625二62.5