0.33×1.8-3.3×0.08简便计算
2022-12-12 · 知道合伙人教育行家
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0.33×1.8-3.3×0.08
=0.33×1.8-0.33×10×0.08
=0.33×1.8-0.33×0.8
=0.33×(1.8-0.8)
=0.33×1
=0.33
=0.33×1.8-0.33×10×0.08
=0.33×1.8-0.33×0.8
=0.33×(1.8-0.8)
=0.33×1
=0.33
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