8*25*125*4=8*125*(25*4)=1000*100=100000 谢谢,请采纳
8*25*125*4=(8x125)x(4x25)=1000x100=100000
原式=8*125*(25*4)=1000*100=100000
原式=(125x4)x25x8 =125x4x25x8 =125x8x4x25 =1000x100 =100000
汗,25*4=100;125*8=1000;简便计算就是这样咯
一、口算下面各题.(23分) 10-2.65= 0.9*0.08= 528-349= 6+14.4= 24÷0.04= 12.34-2.3= 0÷3.8= 0.77+0.33= 7÷1.4= 67.5+0.25=7.2÷8*4= 5-1.4-1.6= 400÷125÷8= 1.9*4*0.5= 80*0.125= 3* = 6 6= 2 -( + )= 10 2= 3.2*7÷3.2*7= ( - )*12= 187.7*11-187.
25*125*(8*4)=(25x4)(125x8)=100x1000=100000祝天天向上.
8*125*25*4=100000
125先除以25再乘以8再乘以4
4*(4*25)*(4*(100+25)).