14.7+2.15*4.8简便算法
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![14.7+2.15*4.8简便算法](/uploads/image/z/249490-10-0.jpg?t=14.7%2B2.15%2A4.8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
14.7+2.15*4.8简便算法
14.7+2.15*4.8简便算法
14.7+2.15*4.8简便算法
14.7+2.15*4.8
=14.7+(2+0.1+0.05)×4.8
=14.7+9.6+0.48+0.24
=25.02
或
=14.7+2.15*(2+2+0.4+0.4)
=14.7+4.3+4.3+0.86+0.86
=14.7+8.6+1.72
=25.02