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数学
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3(105-x)+32=2(x+23) x等于多少
着急
人气:143 ℃ 时间:2020-02-03 17:58:40
解答
3(105-x)+32=2(x+23)
315-3x+32=2x+46
347-3x=2x+46
2x+3x=347-46
5x=301
x=60.2
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