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计算：2005×
3
8
−0.375×1949+3.75×2.4的值为多少？
人气：416 ℃　时间：2019-10-19 00:24:32
解答
2005×
3
8
-0.375×1949+3.75×2.4
=2005×0.375-0.375×1949+3.75×2.4
=2005×0.375-0.375×1949+0.375×24
=（2005-1949+24）×0.375
=80×0.375
=30．
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