题目内容
16.在下面横线上填上适当的数.808$\stackrel{÷0.4}{→}$2020$\stackrel{÷20}{→}$101$\stackrel{+23}{→}$124
225$\stackrel{×3}{→}$675$\stackrel{-3.09}{→}$671.91$\stackrel{+60}{→}$731.91
1204$\stackrel{÷5}{→}$240.8$\stackrel{÷10}{→}$24.08$\stackrel{-2.1}{→}$21.98.
分析 根据小数加减乘除法的计算方法进行计算.
解答 解:808$\stackrel{÷0.4}{→}$2020$\stackrel{÷20}{→}$101$\stackrel{+23}{→}$124;
225$\stackrel{×3}{→}$675$\stackrel{-3.09}{→}$671.91$\stackrel{+60}{→}$731.91;
1204$\stackrel{÷5}{→}$240.8$\stackrel{÷10}{→}$24.08$\stackrel{-2.1}{→}$21.98.
故答案为:2020,101,124; 675,671.91,731.91; 240.8,24.08,21.98;
点评 考查了小数加减乘除法的计算,根据各自的计算方法进行计算.
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