问题标题:
简便计算2.64乘51.9+264乘0.481
问题描述:
简便计算2.64乘51.9+264乘0.481
李旭辉回答:
2.64*51.9+2.64*100*0.481
=2.64*51.9+2.64*48.1
=2.64*(51.9+48.1)
264
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