48*125=(40+8)*125=40*125+8*125=5000+1000=6000
48*125=6*(8*125)=6*1000=6000 供参考,有疑问请追问
用乘法分配律简算125*48-40*125=125*(48-40)=125*8=1000
=(40+5)*125=40*125+5*125=5000+625=5625或者=(40+5)*125=40*125+5*125=5000+5*(100+20+5)=5000+500+100+25=5625
48乘125 =6x8x125 =6x1000 =6000
脱式计算如下:48*15*125=(6*15)*(8*125)=90*1000=90000
1000÷125+48*19=8+48*(20-1)=8+960-48=960-(48-8)=960-40=920
答:16乘以25乘以125 =(4*25)*(4*125) =100*500 =50000
49X(125X8)=4900025X44=25X4X11=11001527-(295+205)=102799X48+48=48X(99+1)=4800