38.2x0.28+3.87x6.1+0.382x11 简便计算
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=38.2×0.28+38.7×0.61+38.2×0.11
=38.2×0.28+（38.2+0.5）×0.61+38.2×0.11
=38.2×0.28+38.2×0.61+0.5×0.61+38.2×0.11
=38.2×（0.28+0.61+0.11）+0.5×0.61
=38.2×1+0.305
=38.2+0.305
=38.505
=38.2×0.28+（38.2+0.5）×0.61+38.2×0.11
=38.2×0.28+38.2×0.61+0.5×0.61+38.2×0.11
=38.2×（0.28+0.61+0.11）+0.5×0.61
=38.2×1+0.305
=38.2+0.305
=38.505
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38.2×0.28+3.82×6.1+0.382×11
=38.2×0.28+38.2×0.61+38.2×0.11
=38.2×(0.28+0.61+0.11)
=38.2×1
=38.2
=38.2×0.28+38.2×0.61+38.2×0.11
=38.2×(0.28+0.61+0.11)
=38.2×1
=38.2
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38.2x0.28+3.82x6.1+0.382x11
=38.2x0.28+38.2x0.61+38.2x0.11
=38.2x(0.28+0.61+0.11)
=38.2x1
=38.2
=38.2x0.28+38.2x0.61+38.2x0.11
=38.2x(0.28+0.61+0.11)
=38.2x1
=38.2
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