×=
×2=
×3=
×10=
16×=
12×=
×38=
÷25=
×3.6=
4.5÷=
=
÷0.625=
90%+10%=
100×=
60×20%=
0.52=
56×=
×0.48=
×= 3.2×= ×× ×-×=
= ÷= 8÷8÷ ×5-2×=
0.3× = 2÷( - )= 35× =
9- = 0.375÷ = ÷2.1=
20÷20%= : = ÷10= ÷ ×10=
列式: