五年级上册数学《小数除法》简便运算

五年级上册数学《小数除法》简便运算


简介:
五年级上册数学《小数除法》简便运算 班级:_________姓名:_________日期:_________ 4.8÷2.5÷4 =4.8÷(2.5×4) =4.8÷10 =0.48 7.25÷1.25÷8 =7.25÷(1.25×8) =7.25÷10 =0.725 78÷0.25÷0.4 =78÷(0.25×0.4) =78÷0.1 =780 16.8÷7÷0.12 =16.8÷(7×0.12) =16.8÷0.84 =20 0.175÷0.25÷0.4 =0.175÷(0.25×0.4) =0.175÷0.1 =1.75 136×0.65-0.65×36 =(136-36)×0.65 =100×0.65 =65 7.8÷1.25÷0.8 =7.8÷(1.25×0.8) =7.8÷1 =7.8 0.79×15.4-5.4×0.79 =0.79×(15.4-5.4) =0.79×10 =7.9