Question

計(jì)算下面各題，得數(shù)保留兩位小數(shù)．
1.69×0.27；    
5.32÷2.6；    
9.36-0.078．

Answer 1

分析：根據(jù)小數(shù)減法及小數(shù)乘除法的計(jì)算方法進(jìn)行計(jì)算；根據(jù)四舍五入法保留兩位小數(shù)．

解答：解：1.69×0.27≈0.46；


5.32÷2.6≈2.46；


9.36-0.078≈9.28．

點(diǎn)評(píng)：考查了小數(shù)減法及乘除法的筆算，根據(jù)各自的計(jì)算方法進(jìn)行計(jì)算；根據(jù)四舍五入法保留兩位小數(shù)．