问题 解答题 直接写出得数.4.1×0.5=7.6×2.5×4=2.88÷0.4=1.35÷5=7a-0.2a+a=2.5-1.37= 答案 4.1×0.5=2.05,7.6×2.5×4=76,2.88÷0.4=0.72,1.35÷5=0.27,7a-0.2a+a=7.8a,2.5-1.37=1.13.故答案为:2.05,76,0.72,0.27,7.8a,1.13.