2.6×48= 2.6×0.48=
2.6×4.8= 0.26×0.48=
3.9×0.96 3.9 0.63÷10.63
3.12×1.033.12 9.8÷0.2 9.8
3.5÷0.7= 0.72÷0.2 = 3.6÷12=