问题 解答题

(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)

答案

(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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