2.69*2.4*0.25简算
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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×
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