1.25x2.5x3.2简便计算

边狱鱼48601.25x3.2x0.8的简便计算方法 -
经尚勇19456289134 ______ 1.25x3.2x0.8 =1.25x0.8x3.2 =1x3.2 =3.2

边狱鱼48601.25乘3.2乘2.5的简便计算是什么 -
经尚勇19456289134 ______ 12.5x3.2x2.5 =12.5x8x0.4x2.5 =(12.5x8)x(0.4x2.5) =100x1 =100

边狱鱼4860简便运算:1.25x2.5x3 -
经尚勇19456289134 ______[答案] =1.25*2.5*(4-1) =1.25*2.5*4-1.25*2.5*1 =1.25*10-1.25*2.5 =(1.25*10*4-1.25*2.5*4)/4 =(1.25*40-12.5)/4 =(50-12.5)/4 结果自己算,别说不知.

边狱鱼48601.25x3.2x2.5x3 -
经尚勇19456289134 ______ 1.25x3.2x2.5x3 =1.25x0.4x8x2.5x3 =(1.25x8)x(2.5x0.4)x3 =10x1x3 =30

边狱鱼48601.25乘3.2乘2.5的简便算法 -
经尚勇19456289134 ______ 1.25x3.2x2.5 =1.25x8x0.4x2.5 = 10x1 =10

边狱鱼48601.25*3.2*0.25用简便计算 -
经尚勇19456289134 ______ 1.25*3.2*0.25用简便计算 =1.25x4x0.8x0.25 =(1.25x0.8)x(4x0.25) =1x1 =1

边狱鱼4860简便计算12.5X2.5X3.2 -
经尚勇19456289134 ______ =12.5*2.5*(0.8*4)=(12.5*0.8)*(2.5*4)=10*10=100

边狱鱼48601.25乘以2.5乘以32用简便算法怎么算 -
经尚勇19456289134 ______[答案] 1.25x2.5x32 =1.25x2.5x(4x8) =1.25x8x(2.5x4) =10x10 =100 祝学习进步.

边狱鱼48601.25成3.2成0.5成0.5怎麽简便 -
经尚勇19456289134 ______ 1.25*3.2*0.5*0.5=1.25*0.8*4*0.5*0.5=(1.25*0.8)*(2*0.5)*(2*0.5)=1*1*1=1

边狱鱼486012.5x2.5x0.32的简便方法是什么 -
经尚勇19456289134 ______ 12.5x2.5x0.32=12.5x2.5x(0.8x0.4)=(12.5x0.8)x(2.5x0.4)=10x1=10