6.1×10= 6.4+4= 2.8×0.5= 1-0.25=
0.37+0.63= 4.5+100= 0.05×40= 0.52=
1.234×0.6780.678 4.98+0.7894.98×0.789
3.5×4= 2.5×2= 1.6×0.5= 0.125×0.8=
0.06×0.8= 1.3×0.07= 0.31+0.69= 9-5.3-0.7=
2.3×2= 10×0.2= 1.45×10= 5.98×1000=
2.4×5= 4.5×0.9= 2.5 ×8= 3.9-3=
0.2×50= 2.4×0.5= 0.25×4= 12.5×0.8= 1.8×0.4= 1.7×0.6= 0.15×4= 3.2×0.3=