0.4+1.3= 8.3-7= 1+0.84= 0.2×0.8=
2.65×100= 5÷1000= 288÷10= 24.6÷10=
4.5÷5= 1.3×0.2= 45.7×0= 1-0.5=
125×8= 2.5×4= 8.7×0.1= 3.2÷0.4=