字典翻译 问答 其它 (1)9.6×0.8×0.54(2)0.24÷1.2÷0.05(3)0.72÷0.9×3.5(4)1.4×4.2+0.8÷0.5(5)9.74÷[(5-3.2)÷3.6](6)4.8÷[(5.6-3.7)÷7.6](7)9.6÷(2.4+1.6×0.5)
问题标题:
(1)9.6×0.8×0.54(2)0.24÷1.2÷0.05(3)0.72÷0.9×3.5(4)1.4×4.2+0.8÷0.5(5)9.74÷[(5-3.2)÷3.6](6)4.8÷[(5.6-3.7)÷7.6](7)9.6÷(2.4+1.6×0.5)
问题描述:

(1)9.6×0.8×0.54

(2)0.24÷1.2÷0.05

(3)0.72÷0.9×3.5

(4)1.4×4.2+0.8÷0.5

(5)9.74÷[(5-3.2)÷3.6]

(6)4.8÷[(5.6-3.7)÷7.6]

(7)9.6÷(2.4+1.6×0.5)

黄加纳回答:
  (1)9.6×0.8×0.54   =7.68×0.54,   =4.1472;   (2)0.24÷1.2÷0.05   =0.2÷0.05,   =4;   (3)0.72÷0.9×3.5   =0.8×3.5,   =2.8;   (4)1.4×4.2+0.8÷0.5   =5.88+1.6,   =7.48;   (5)9.74÷[(5-3.2)÷3.6]   =9.74÷[1.8÷3.6],   =9.74÷0.5,   =19.48;   (6)4.8÷[(5.6-3.7)÷7.6]   =4.8÷[1.9÷7.6],   =4.8÷0.25,   =19.2;   (7)9.6÷(2.4+1.6×0.5)   =9.6÷(2.4+0.8),   =9.6÷3.2,   =3.
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