99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?
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99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?99.99×77.78+33.33×66.66,能不能简
99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?
99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?
99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?
原式=99.99×77.78+33.33×66.66 =99.99×77.78+99.99×22.22 =99.99×（77.78+22.22） =99.99×100 =9999
99.99×77.78+33.33×66.66,能不能简便算吗?怎么算?
99.99乘77.78+33.33乘66.66用简便计算怎么算
33.33*33.33+88.89*99.99简便计算
99.99×11.11＋33.33×66.67
33.33*66.66+44.44*99.99=
2.4×25+3÷0.375 356－216÷9×8 40÷(1.2＋9.3×4) （6分之1）＋（8分之1）×24全部简便计算 99.99×77.78+33.33×66.66 2.4×25+3÷0.375
99.99×22.22+33.33×33.34 简便方法计算
99.99*22.22+33.33*33.34的简便运算?
简便计算：99.99*22.22+33.33*33.34
99.99乘22.22+33.33乘33.34
99.99×111.1+666.7×33.33简便计算.
99.99X22.22+33.33X33.34怎么简算?
99.99X22.22+33.33X33.34怎么简算
99.99x22.22+33.33x33.34简便计算
99.99x22.22+33.33x33.34要过程
99.99X22.22十33.33X33.34用巧算,急
33.33*66.66+44.44*99.99=33*66.66+44.44*99.99如何简便?
7142.85÷3.7÷2.7×1.7×0.799×1.01×77.78＋66.66×33.33