已知代数式2a+4b-1的值是3,则代数式2b+a的值是_.
已知代数式2a+4b-1的值是3,则代数式2b+a的值是______.
数学人气:283 ℃时间:2020-03-22 05:45:18
优质解答
∵2a+4b-1=3,∴2(a+2b)=4,即2b+a=2.
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