问题
解答题
[1.8+(5.4-3.8)÷0.4]×2.5.
答案
[1.8+(5.4-3.8)÷0.4]×2.5,
=[1.8+1.6÷0.4]×2.5,
=[1.8+4]×2.5,
=5.8×2.5,
=14.5.
[1.8+(5.4-3.8)÷0.4]×2.5.
[1.8+(5.4-3.8)÷0.4]×2.5,
=[1.8+1.6÷0.4]×2.5,
=[1.8+4]×2.5,
=5.8×2.5,
=14.5.