4.5×0.07 = 6.3÷0.09 = 2.5×3.6 = 19.8÷3.3 = 5÷0.25 = 0.76÷0.4 = 2.36×0.22 = 2.8×4.58 = 3.57÷4.2 = 82.8÷ 36 = 45×2.46 = 3.6÷0.24 = 382.5÷45 = 6.4×5.48 = 13.42×4.73 = 9.65×8.12 = 7.23×1....