3.09÷1.5
=(3.09×)÷(1.5×)
=÷
=
{x}+[x]=
[12.8]×{12.8}=
[12.8]÷{12.8}=
8.4÷0.2= 54.9÷9= 49÷5= 0.09×90= 3.4÷4=
3.7×0.45= 78.05÷0.35= 0.75÷25=
2÷9.9=
3÷9.9=
6÷9.9=
7÷ 9.9=
37.037×12=
88.83÷9=
88.884÷9=
=
88.88886÷=
88.888887÷=