2.5乘以4.8的简便方法

金侄钱46752.5X4.8的简便计算方法怎样 -
蔺钧璐17029185865 ______ 2.5*4.8 回=(2.5*4)*(4.8/4) =10*1.2 =12 答 2.5*4.8 =2.5*(4*1.2) =2.5*4*1.2 =10*1.2 =12 2.5*4.8 =2.5*(4+0.8) =2.5*4+2.5*0.8 =10+2 =12 2.5*4.8 =2.5*(5-0.2) =2.5*5-2.5*0.2 =12.5-0.5 =12

金侄钱46752.5x4.8的三种简便方法 -
蔺钧璐17029185865 ______ 2.5 X 4.8 = 0.25 X 48 = 0.25 X 4 X 12 = 12 2.5 X 4.8 = 0.25 X 48 = 48 / 4 = 12 2.5 X 4.8 = 5 X 2.4 = 24 / 2 = 12

金侄钱46752.5乘4.8的简便计算方法是 -
蔺钧璐17029185865 ______ 2.5*4.8 =2.5*(4+0.8) =2.5*4+2.5*0.8 =10+2 =12

金侄钱46752.5乘4.8谁能用简便方法计算这题 -
蔺钧璐17029185865 ______ 2.5x4.8 =2.5x4x1.2 =10x1.2 =12

金侄钱4675请问:2.5*4.8的三种简便方法是什么? -
蔺钧璐17029185865 ______ 1. 2.5*4*1.2=10*1.2=12 2. 2.5*(4+0.8)=2.5*4+2.5*0.8=10+2=12 3. (2+0.5)*4.8=2*4.8+0.5*4.8=9.6+2.4=12

金侄钱46752.5*4.8用三种简便算法计算.谢谢 -
蔺钧璐17029185865 ______ 2.5x4x1.2=10x1..2=12 2.5x(4+0.8)=10+2=12 5x0.5x4.8=5x2.4=12 求采纳~~

金侄钱46752.5x4.8的简便用算. -
蔺钧璐17029185865 ______ 2.5x4.8 =2.5*(5-0.2) =2.5*5-2.5*0.2 =12.5-0.5 =12

金侄钱46752.5*4.8简便计算 -
蔺钧璐17029185865 ______ =2.5*4*1.2 =1*1.2 =1.2

金侄钱4675(2.5 - 0.125)乘以4乘以0.8的怎么怎么简便运算 -
蔺钧璐17029185865 ______[答案] (2.5-0.125)乘以4乘以0.8 =2.5*4*0.8-0.125*0.8*4 =10*0.8-0.1*4 =8-0.4 =7.6

金侄钱46752.5*4.8= 三种简便计算
蔺钧璐17029185865 ______ 2.5*4.8 =2.5*4*0.12 =10*0.12 =1.2