五年級小數(shù)口算題15道要簡單的2，急小數(shù)乘除法口算不用太難476道3，20道5年級小數(shù)乘法口算題4，小學(xué)四年級小數(shù)乘法口算題1，五年級小數(shù)口算題15道要簡單的0.15*80.25*80.8*50.24*50.48*50.15*80.25*80.8*50.24*50.48*50.15*80.25*80.8*50.24*50.48*52，急小數(shù)乘除法口算不用太難476道小數(shù)乘除口算22．2*3=24．8/2=29．6*9=1．2*9=66．6/3=79．5*6=56．7*4=86．66/2=98．8*2=...