填空题
选择题
实践题
  
判断题
计算题
    70 + 70 =
    80÷2=
    798÷3=
    18 x 16 =
    88-3=
    342÷9=
    882÷2=
    462÷2=
    648÷3=
    632÷8=
    718÷2=
    995÷5=
    894÷6=
    30 x 9 =
    479÷1=
    16 x 13 =
    46-3=
英语题
    purify
    a microlitre
 




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