x+0.7x=8.5 x÷0.2=1.9 0.5(x-4)=1.4
1.25×32=
0.6×0.1=
1.5a+a=
7.5-0.15=
0.56×0.7+0.56×0.7=
0.22=
8.4÷0.21=
1.5÷0.01=
A.80% B. C. D.25%