(0.75乘42.7加57.3减0.573乘25)除以3乘以7972简便计算.

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(0.75乘42.7加57.3减0.573乘25)除以3乘以7972简便计算.
(0.75乘42.7加57.3减0.573乘25)除以3乘以7972简便计算.

(0.75乘42.7加57.3减0.573乘25)除以3乘以7972简便计算.