问题 解答题
用你喜欢的方法计算.
19.2÷2.4×3.2      
12.5×0.32×0.5
14.3÷1.1-1.8        3.2×2.4+32×0.76.
答案

(1)19.2÷2.4×3.2,

=8×3.2,

=25.6;

(2)12.5×0.32×0.5,

=12.5×(0.4×0.8)×0.5,

=(12.5×0.8)×(0.4×0.5),

=10×0.2,

=2;

(3)14.3÷1.1-1.8,

=13-1.8,

=11.2;

(4)3.2×2.4+32×0.76,

=3.2×2.4+3.2×7.6,

=3.2×(2.4+7.6),

=3.2×10,

=32.

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