43.1□2≈43.2,□里最大是( 。,最小是( 。
分析:因為這是個三位小數(shù),保留一位小數(shù),近似值是43.2,結(jié)合數(shù)據(jù)可知:這個數(shù)百分位上應“五入”,即最大是9,最小是5;據(jù)此解答.
解答:解:43.1□2≈43.2,□里最大是9,最小是5;
故選:B,C.
點評:取一個數(shù)的近似數(shù),有兩種情況:“四舍”得到的近似數(shù)比原數(shù)小,“五入”得到的近似數(shù)比原數(shù)大,根據(jù)題的要求靈活掌握解答方法.
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