3.8+4.7=
10-3.4=
3.65+2.5=
0×10÷6.9=
16.9÷100=
50×0.04=
12.53+8.7=
20-5.38=
9.8×1.05=
9.6-1.64=
10.3+7.82=
0.29×3.5 =