计算(1)9/-72=-(72÷9)=-8(2)-45/-30=-(45÷30)=-3/2(3)-75/0=0÷(-75)=0(4)(-36又11/9)÷9=(-36+11/9)×9/1=-36×9/1+11/9×9/1=-4+11/1=-(3又11/11-11/1)=-(11/33-11/1)=-11/32=2又11/10(5)(-12)÷(-4)÷(-1又5/1)=3÷(-5/6)=3×(-6/5)=-10大家手做的对么?