7.6×1/4-0.8÷4+3.2×25%这道题怎么算?

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7.6×1/4-0.8÷4+3.2×25%这道题怎么算?7.6×1/4-0.8÷4+3.2×25%这道题怎么算?7.6×1/4-0.8÷4+3.2×25%这道题怎么算?7.6×1/4-0.8÷4+3.

7.6×1/4-0.8÷4+3.2×25%这道题怎么算?
7.6×1/4-0.8÷4+3.2×25%这道题怎么算?

7.6×1/4-0.8÷4+3.2×25%这道题怎么算?
7.6×1/4-0.8÷4+3.2×25%
=7.6*1/4-0.8*1/4+3.2*1/4
=1/4*(7.6-0.8+3.2)
=1/4*10
=2.5