0.12×38.7×50的简便计算怎么写?
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0.12×38.7×50的简便计算怎么写?0.12×38.7×50的简便计算怎么写?0.12×38.7×50的简便计算怎么写?0.12×38.7×50=0.12×50×38.7=0.06×100×38
0.12×38.7×50的简便计算怎么写?
0.12×38.7×50的简便计算怎么写?
0.12×38.7×50的简便计算怎么写?
0.12×38.7×50
=0.12×50×38.7
=0.06×100×38.7
=6×38.7
=232.2
0.12×38.7×50
=0.12*50*38.7
=6*38.7
=6*(38+0.7)
=6*38+0.7*6
=228+4.2
=232.2
=0.12*38.7*50
=0.12*50*(40-1.3)
=6*40-6*1.3=240-7.8
=232.2
0.12×38.7×50
=（0.1+0.02）×38.7×50
=0.1×38.7×50+0.02×38.7×50
=38.7×5+38.7×1
=38.7×6
=232.2