Question

2.48×125的简便方法

Answer 1

2.48*125的简便计算方法，
2.48*125
=0.31*8*125
=0.31*1000
=310

Answer 2

2.48/8*1000
＝0.31*1000
＝310

Answer 3

2.48x125
=0.31x（8x125）
=0.31x1000
=310