5.17×46+51.7×5.4 简便计算

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5.17×46+51.7×5.4 简便计算

5.17×46+51.7×5.4 简便计算
5.17×46+51.7×5.4 简便计算

5.17×46+51.7×5.4 简便计算
5.17*46+51.7*5.4
=51.7*4.6+51.7*5.4
=51.7*(4.6+5.4)
=517

5.17*46+51.7*5.4
=5.17*46+5.17*54
=5.17*(46+54)
=5.17*100
=517

=5.17×(46+54)
=5.17×100
=517