问题 解答题 直接写出得数.2.5×4=1.8×0.4=4.05×5=10.01×12=12.5×0.4=8×1.25=0.5×0.2=3.2×2.5= 答案 2.5×4=101.8×0.4=0.724.05×5=20.2510.01×12=120.1212.5×0.4=58×1.25=100.5×0.2=0.13.2×2.5=8故答案为:10,0.72,20.25,120.12,5,10,0.1,8.