(5x+0.5)÷3=8.
问题描述:
(5x+0.5)÷3=8.
答
(5x+0.5)÷3=8.5
(5x+0.5)=8.5×3
5x+0.5=25.5
5x=25.5-0.5
5x=25
x=25÷5
x=5
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