33.33*66.66+44.44*99.99=33*66.66+44.44*99.99如何简便?

33.33*66.66+44.44*99.99= 33.33*66.66+44.44*99.99=33*66.66+44.44*99.99如何简便? 66.66乘33.33怎么简算 ⑴ 7142.85÷3.7÷2.7×1.7×0.7⑵ 4.83×0.59+0.41×1.59+0.324×5.9⑶ 99×1.01×77.78+66.66×33.33⑷ 37.4×2.7+499×0.73+12.5×0.7 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 7142.85÷3.7÷2.7×1.7×0.799×1.01×77.78＋66.66×33.33 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+66.66×66.67 证明 根号（33.33²【3有2013个】+44.44²【4有2013个】）=55.55（2013个）成立小贴士：根号（3的平方加上四的平方）等于5 根号（33的平方加上44的平方）等于55 33.33*33.33+88.89*99.99简便计算 11.11×6666+7778×33.33 3.333×11.11÷（66.66×4.444） 222.2×66.66÷3.333怎样简算? 88.88×11.11+44.44×77.78怎么简便计算 99.99×11.11＋33.33×66.67 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?