请展开查看知识点列表
① ÷ ×
② ÷4+0.25÷17
③ ÷[( - )× ]
④12÷( + )
⑤ ×8×2.6×
⑥5×( - )×7
×2= ÷5= 7.8× = × ×0=
÷ = ×1.4= 10÷0.1= ( - )÷ =
3.14×52= -0.6= + ×7= x ÷ ÷ =
进入组卷