簡算0.627×13+0.52×62.7+3.5×6.27

簡算0.627×13+0.52×62.7+3.5×6.27

0.627×13+0.52×62.7+3.5×6.27
=6.27*1.3+6.27*5.2+6.27*3.5
=6.27*(1.3+5.2+3.5)
=6.27*10
=62.7