简便计算4.4X5.5-44X0.33+0.44X22
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简便计算4.4X5.5-44X0.33+0.44X22
简便计算4.4X5.5-44X0.33+0.44X22
简便计算4.4X5.5-44X0.33+0.44X22
4.4*(5.5-3.3+2.2)=4.4*4.4=(5-0.6)^2=25-6+0.36=19.36
44*(0.55-0.33-0.22)=0
简便计算4.4X5.5-44X0.33+0.44X22
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