①2x+8=16
②x÷5=10
③x+7x=8
④6x-6=0
12.5×80=
2.34×0.2=
7.73+2.07=
0.8×0.5=
2.4×0.5=
0.14×0.3
12-0.9=
1.87×0=
0.4×0.6= 5.4÷3= 1.5÷0.1= 1.4×0.05=
0.8+0.25= 0.2×0.2= 0.72÷0.6= 1.25×8÷1.25×8=