2.69*2.4*0.25简算

2.69*2.4*0.25简算
2.69*2.4*0.25简算

2.69*2.4*0.25简算
2,69×2,4×0.25
=2.69×（2,4×0.25）
=2.69×0,6
=1.614

答：
2.69×2.4×0.25
=2.69×0.6×4×0.25
=(2.7-0.01)×0.6×1
=2.7×0.6-0.01×0.6
=1.62-0.006
=1.614