2.5x1.25x16简便运算

丰项芳32852.5*9.6*1.25的简便算法 -
苗龙新19810272686 ______ 2.5*9.6*1.25=2.5X4X2.4X1.25=10X2.4X1.25=3X8X1.25=3X10=30

丰项芳32852.5X1.6X1.25简算 -
苗龙新19810272686 ______[答案] 2.5X1.6X1.25 =2.5X2*0.8X1.25 =(2.5X2)*(0.8X1.25) =5*1 =5

丰项芳328550x125x16用简便方法计算 -
苗龙新19810272686 ______ 50x125x16用简便方法计算 =50*2*125*8 =100*1000 =100000

丰项芳32852.5*1.6*1.25,能不能简算?? -
苗龙新19810272686 ______ 2.5*1.6*1.25 =(2.5*0.4)*(4*1.25) =1*5 =5

丰项芳32852.5x1.6x0.125简便方法怎么算 -
苗龙新19810272686 ______ (2.5*0.2)*(8*0.125)=0.5*1=0.5

丰项芳328525x125x16用奥数简便运算? -
苗龙新19810272686 ______ 25*125*16 =(4*25)*(8*125)÷2 =100*1000÷2 =100000÷2 =50000.

丰项芳32850.5x0.125x16的简??ch=rainbow.wty.search1 -
苗龙新19810272686 ______ 把16拆开: 0.5x0.125x16 =0.5*0.125*2*8 =(0.5*2)*(0.125*8) =1*1 =1

丰项芳32852.5x16x1.25用简便计 -
苗龙新19810272686 ______[答案] 2.5x16x1.25 =2.5x2x8x1.25 =(2.5x2)x(8x1.25) =5x10 =50

丰项芳3285简便计算o.5x1.25x2.5x6.4x7 -
苗龙新19810272686 ______ 0.5x1.25x2.5x6.4x7=1.25x(8x0.8)x2.5x0.5x7=(1.25x8)(2.5x0.8)(0.5x7)=10x2x3.5=10x7=70 祝天天向上.

丰项芳32852.5X1.6X1.8能简算吗 -
苗龙新19810272686 ______ 2.5X1.6X1.8=2.5*4*0.4*1.8=10*0.72=7.2