数学作业卷一、在括号里填上适当的数:54354521()2()2()4()3()2()1(34555数学作业卷一、在括号里填上适当的数:1()2()2()4()3()2()1(345551()1()3()()4()223四、在括号里填上+或-()-0=1()-1=0()-5=0()-4=1()-0=2()-1=1()-2=0()-4=0()-0=3()-1=2()-2=1()-3=0()-0=4()-1=3()-2=2()-3=1()-0=5()-1=4()-2=3()-3=24姓名_______________等级________________()()()()()()()()()()...