你好!24X125X25=4X6X125X25=4X25X2X125X3=100X250X3=75000 如有疑问,请追问.
125+24x8用简便方法计算125+24*8=125+192=317没有简算,直接计算
24x125简算如下24x125 =3*8*125 =3*(8*125) =3*1000 =3000
24*125=3*(8*125)=3*1000=3000
24X125=(20+4)X125=20X125+4X125=2500+500=3000
原式=3x8x125x6=3x6x(8x125)=3x6x1000=18x1000=18000
24*100+24*5
125x24 =125x8x3 =1000x3 =3000
24*24+125=(24+4)*(24-4)+4*4+125=28*20+16+125=560+141=701
24x125x9=(8*125)*(3*9)=1000*27=27000