38.2X0.28+3·82X6·1+0·382x11用简便方法怎么计算
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原式
=38.2x0.28+3.82x10x0.61+3.82x10x0.11
=38.2x0.28+38.2x0.61+38.2x0.11
=38.2x(0.28+0.61+0.11)
=38.2x1
=38.2
=38.2x0.28+3.82x10x0.61+3.82x10x0.11
=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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