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数学
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解方程(2x--1/0.5=x+1/0.3)
2x--1/0.5=x+1/0.3
还有5/8:x=1又1/2:(5--2又3/5)是多少(⊙o⊙)?
人气:244 ℃ 时间:2020-02-04 03:16:00
解答
2x--1/0.5=x+1/0.3
150(2x--1/0.5)=150(x+1/0.3)
300x-3=150x+5
150x=8
x=4/75
...就是这样.^8^
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