简便方法计算6.7×0.99
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简便方法计算6.7×0.99
简便方法计算6.7×0.99
简便方法计算6.7×0.99
6.7×0.99
=6.7×(1-0.01)
=6.7×1-6.7×0.01
=6.7-0.067
=6.633
简便方法计算6.7×0.99
简便方法计算6.7×0.99
简便方法计算6.7×0.99
6.7×0.99
=6.7×(1-0.01)
=6.7×1-6.7×0.01
=6.7-0.067
=6.633