2.5x3.2x12.5简便

闻勇虞44753.2x2.5x12.5的简便运算怎么算? -
通嵇羽15347228461 ______ 4*0.8*2.5*12.5

闻勇虞44752.5x0.32x1.25简便公式 -
通嵇羽15347228461 ______ 2.5x0.32x1.25=2.5x0.04x(1.25x8)=0.1x10=1

闻勇虞44752.5x3.2x1.25简算 -
通嵇羽15347228461 ______ 2.5x3.2x1.25 =2.5x4*0.8x1.25 =10*1 =10

闻勇虞44752.5x0.32x12.5的简便计算 -
通嵇羽15347228461 ______ =2.5x4x0.8x12.5 =10x0.08x12.5 =0.8x12.5 =10

闻勇虞4475简便计算2.5乘3.2乘1.25 -
通嵇羽15347228461 ______ 2.5*3.2*1.25 2.5*3.2*1.25 =2.5*(4*0.8)*1.25 =2.5*(0.4*8)*1.25 =(4*2.5)*(0.8*1.25) 或 = (0.4*2.5)*(8*1.25) =10*1 =1*10 =10 =10

闻勇虞44752.5*3.2*125怎么简便算式 -
通嵇羽15347228461 ______ 2.5x3.2x125 =(2.5x4)x(0.8x125) =10x100 =1000

闻勇虞44752、5x0、32x12、5的简变算法 -
通嵇羽15347228461 ______ 2.5x0.32x12.5=2.5x0.4x(0.8x12.5)=1x10=10 如有帮助请采纳,如对本题有疑问可追问,Good luck!

闻勇虞44752.5*3.2*12.5用简便方法计算 -
通嵇羽15347228461 ______ 2.5*3.2*12.5=2.5x0.4x(8x12.5)=1x100=100

闻勇虞44752.5*(6.32*12.5)简便运算 -
通嵇羽15347228461 ______ 2.5*(6.32*12.5) 解:=2.5x(0.79x8x12.5)=2.5x0.79x(8x12.5)=2.5x(0.79x100)=2.5x79=2.5x(80-1)=2.5x80-2.5x1=2.5x4x20-2.5=200-2.5=197.5 祝学习进步.

闻勇虞4475脱式计算,7.8 ÷1.25÷8和3.2x2.5x12.5 -
通嵇羽15347228461 ______ 7.8 ÷1.25÷8=7.8/10=0.783.2x2.5x12.5=(3+0.2)x2.5x12.5=(7.5+0.5)x12.5=8x12.5=100