2×= += ×= 0.5×=
×3.5= ÷8= 180÷= 1-=
0.9×=
×35=
×0=
=
3.5×=
8.9÷0.89=
10-0.98=
25×0.4=
11×=
0.22÷0.32 =
×6.3=
÷=
300%-=
17÷=
0.1:=(写比值)
120×13%=
0.3× = 2÷( - )= 35× =
9- = 0.375÷ = ÷2.1=
3.14×6= 2×3.14×12= + =
0÷20%= 60×30%= 25÷40%=
36× = ÷ = 3× ÷3× =
2.1×
×2015
×34×7×
101×-
价目表
馒头0.5元
豆浆0.7元
锟饨2.8元
面条3.4元