2.67×0.992.67 3.6×2.90.36×29 0.58×1.020.58
4.8+2.31= 1-0.68= 0.17+0.33= 0.2×0.4=
2.5×0.3= 7.5-2.5= 1.8×0.04= 1.5×0.6=