Question

14．列豎式計(jì)算．（得數(shù)保留兩位小數(shù)．）
34.7×0.66；                       15.6÷1.7．

Answer 1

分析 根據(jù)小數(shù)乘除法運(yùn)算的計(jì)算法則進(jìn)行計(jì)算即可求解．注意得數(shù)保留兩位小數(shù)．

解答 解：34.7×0.66≈2.29

15.6÷1.7≈9.18

點(diǎn)評(píng) 考查了小數(shù)乘除法運(yùn)算，關(guān)鍵是熟練掌握計(jì)算法則正確進(jìn)行計(jì)算．