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数学
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x÷3+8=24.解方程
(1)1.9:3又5/11,化简
(2)0.2×(5x-1)+5×(x-1)=0.8
(3)x÷3+8=24
人气:178 ℃ 时间:2020-04-06 01:25:34
解答
(1)1.9:3又5/11
=19/10:38/11
=11:20
(2)0.2×(5x-1)+5×(x-1)=0.8
x-0.2+5x-5=0.8
6x=0.8+5.2
6x=6
x=1
(3)x÷3+8=24
x÷3=24-8
x÷3=16
x=48
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