1解下列方程并检验.x+0.3＝1.8 3＋x＝5.4 x-1.5＝4 x-6=7.6？
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x + 3.2 = 4.6
x = 4.6 - 3.2
x = 1.4
x - 2 = 15
x = 15 + 2
x = 17
x + 0.3 = 1.8
x = 1.8 - 0.3
x = 1.5
3 + x = 5.4
x = 5.4 - 3
x = 2.4
x - 1.5 = 4
x = 4 + 1.5
x = 5.5
x - 6 = 7.6
x = 7.6 + 6
x = 13.6
望采纳!,3,1.8 3＋x＝5.4 x-1.5,2,
x = 4.6 - 3.2
x = 1.4
x - 2 = 15
x = 15 + 2
x = 17
x + 0.3 = 1.8
x = 1.8 - 0.3
x = 1.5
3 + x = 5.4
x = 5.4 - 3
x = 2.4
x - 1.5 = 4
x = 4 + 1.5
x = 5.5
x - 6 = 7.6
x = 7.6 + 6
x = 13.6
望采纳!,3,1.8 3＋x＝5.4 x-1.5,2,
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