5.6×0.38+0.56×4.7+0.05×15简便算法竖式？
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5.6×0.38+0.56×4.7+0.05×15
=5.6×0.38+5.6×0.47+0.05×15
=5.6x(0.38+0.47)+0.75
=5.6x0.85+0.75
=5.6x(0.75+0.1)+0.75
=5.6x0.75+5.6x0.1+0.75
=(5.6+1)x0.75+0.56
=6.6/4x3+0.56
=4.95+0.56
=5.51
答：5.6×0.38+0.56×4.7+0.05×15简便计算的5.51
=5.6×0.38+5.6×0.47+0.05×15
=5.6x(0.38+0.47)+0.75
=5.6x0.85+0.75
=5.6x(0.75+0.1)+0.75
=5.6x0.75+5.6x0.1+0.75
=(5.6+1)x0.75+0.56
=6.6/4x3+0.56
=4.95+0.56
=5.51
答：5.6×0.38+0.56×4.7+0.05×15简便计算的5.51
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