635/85约等于多少和235/34约等于多少不要 一些数学，物理要求低的理工科专业
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想：把635看作640，85看作80，640÷80=8
235÷34≈8
想：把235看作240，34看作30，240÷30=8
635/85约等于80
235/34约等于80
看成640/80约等于8，240/30约等于8
635/85≈7.47 235/34≈6.91
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绛旓細姣忕6.15绫虫渶绋冲畾銆635鍒濋熶负姣忕6.15绫虫椂锛岀墿浣撶殑鍙楀姏鎯呭喌鐩稿绋冲畾锛屼笉浼氬彈鍒板ぇ骞呭害鐨勭┖姘旈樆鍔涙垨鑰呭叾浠栧閮ㄥ洜绱犵殑褰卞搷锛屼繚鎸佺ǔ瀹氳繍鍔ㄧ姸鎬併侻635鏄1464骞寸殑濂ユ柉鏇肩伀鐐紝鍙ｅ緞635姣背銆
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绛旓細635鍏繘鍒跺搴旂殑鍗佽繘鍒惰绠楋細6*8^2 + 3*8^1 + 5*8^0 = 384 + 24 + 5 = 413
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