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x-18.6+9.4=17.5 1.5x=1.8 42÷(x+5)=3 3x-37.5=25.5 13.2x=8.6x+9.2×3 4.2×2.5+2x=24.5
解方程 帮哈忙
人气:293 ℃ 时间:2019-08-22 18:40:59
解答
x-18.6+9.4=17.5 x=17.5+18.6-9.4x=26.71.5x=1.8x=1.2 42÷(x+5)=342=3x+153x=27x=9 3x-37.5=25.53x=63x=21 13.2x=8.6x+9.2×3 4.6x=27.6x=64.2×2.5+2x=24.52x=24.5-10.52x=14x=7
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