Question

65×30-65×24用简便计算

65×30-65×24用简便计算

Answer 1

65×30-65×24
=65x（30-24）
=65x6
=390
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Answer 2

65×30-65×24
=65x（30-24）
=65x6
=390

Answer 3

65×30-65×24=65×（30-24）=60×6+5×6=390

Answer 4

65*（30-24）=390