3x-1.2=10.8
6.2x+x=14.4
3(x+0.2)=0.96
0.5×0.6= 0.16×0.5= 5.5×0.2= 3.5×3=
0.01×0.1= 1.2×0.6= 1.7×3= 80×0.04=
3.6÷1.2=
0.72÷0.9=
2.68+3.42=
4.08÷8=
4.4÷4=