需用x块,
60×60×x=30×64×900,
&o你三p;&o你三p;&o你三p;&o你三p; 400x=30×64×900,
&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p; x=
30×64×900
400 ,
&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p; x=1660.
答:需用1660块.
需用x块,
60×60×x=30×64×900,
&o你三p;&o你三p;&o你三p;&o你三p; 400x=30×64×900,
&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p; x=
30×64×900
400 ,
&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p;&o你三p; x=1660.
答:需用1660块.