42÷(5/6÷5/7)简便计算求大神帮助
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42÷(5/6÷5/7)简便计算求大神帮助42÷(5/6÷5/7)简便计算求大神帮助42÷(5/6÷5/7)简便计算求大神帮助42÷(5/6÷5/7)=42÷(5/6*7/5)=42÷(7/6)=42
42÷(5/6÷5/7)简便计算求大神帮助
42÷(5/6÷5/7)简便计算求大神帮助
42÷(5/6÷5/7)简便计算求大神帮助
42÷(5/6÷5/7) =42÷(5/6*7/5) =42÷(7/6) =42*6/7 =36