0.44×4.2+0.044×13+4.4×0.45简便计算
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答案,简便计算0.44×4.2+0.044×13+4.4×0.45 =0.44x4.2+0.44x1.3+0.44x4.5 =0.44x(4.2+1.3+4.5) =0.44x10 =4.4运用乘法分配律的逆运算
咨询记录 · 回答于2023-02-18
0.44×4.2+0.044×13+4.4×0.45简便计算
答案,简便计算0.44×4.2+0.044×13+4.4×0.45 =0.44x4.2+0.44x1.3+0.44x4.5 =0.44x(4.2+1.3+4.5) =0.44x10 =4.4运用乘法分配律的逆运算
答案,简便计算0.44×4.2+0.044×13+4.4×0.45 =0.44x4.2+0.44x1.3+0.44x4.5 =0.44x(4.2+1.3+4.5) =0.44x10 =4.4运用乘法分配律的逆运算
乘法分配律的逆运算:axb+axc+axd=ax(b+c+d)
答案4.4简便计算0.44×4.2+0.044×13+4.4×0.45 =0.44x4.2+0.44x1.3+0.44x4.5 =0.44x(4.2+1.3+4.5) =0.44x10 =4.4运用乘法分配律的逆运算
答案4.4,简便计算0.44×4.2+0.044×13+4.4×0.45 =0.44x4.2+0.44x1.3+0.44x4.5 =0.44x(4.2+1.3+4.5) =0.44x10 =4.4运用乘法分配律的逆运算
0.044x13=0.44x1.3,4.4x0.45=0.44x4.5