五年级数学上册简便计算常考题练专项训练

五年级数学上册简便计算常考题练专项训练


简介:
五年级数学上册 简便计算常考题练专项训练 3.5×2.7-3.5×0.7 =3.5×(2.7-0.7) =3.5×2 =7 (乘法分配率) (32+5.6)÷0.8 =32÷0.8+5.6÷0.8 =40+7 =47 (除法的性质) 0.5÷0.6-0.5÷0.6 =(3.5-0.5)÷0.6 =3÷0.6 =5 (除法的性质) 4.9÷1.4 =4.9÷(7×0.2) =4.9÷7÷0.2 =3.5 (拆数,除法的性质) 7÷0.25÷4 =7÷(0.25×4) =7÷1 =7 (除法的性质) 7.35÷(7.35×0.25) =7.35÷7.35÷0.25 =1÷0.25 =4 (除法的性质)