数学题,帮帮忙!!
111......11(2000个)/333.....33(2000个)=1/3
222......22(2000个)/333.....33(2000个)=2/3
333......33(2000个)/333.....33(2000个)=1
所以和就是1/3+2/3+1=2
2000(1+2+3)/2000*3=2
0.5
2
111......11(2000个)/333.....33(2000个)=1/3
222......22(2000个)/333.....33(2000个)=2/3
333......33(2000个)/333.....33(2000个)=1
所以和就是1/3+2/3+1=2
2000(1+2+3)/2000*3=2
0.5
2