47*101 =47*(100+1) =47*100+47*1 =4700+47 =4747
47*101-47=47*101-47*1=47*(101-1)=47*100=4700
47*101-47=47*(101-1)=47*100=4700
47x101一47=47x101一47x1运用乘法分配律=(101-1)x47=100x47=4700祝学习进步.
原式=(1-3/50)*(100+1)=101-3/50*(100+1)=101-6-3/50=94又3/50
101x47一47=(101一1)X47=100X47=4700
101*47-47=47*101-1=47*100=4700
16乘125=2*8*125=2*1000=2000 48乘99 =48*100-48=4800-48=475247乘101 =4700+47=474758乘17+17乘42=(58+42)*17=100*17=1700 35乘79+79+79乘64 =79*(35+1+64)=79*100=7900367+367乘19 =367*(1+19)=367*20=7340
101*47-47 =47*(101-1) =47*100 =4700
=47乘以(199+1) =47乘以200 =9400