五年级数学计算题过关测试27.6×0.458.08-2.685.546+29.380.023×1.817.04×0.268.35×3.55.08×0.254.58×0.370.8×2.55.45×1.72(得数保留一位小数)(得数保留两位小数)0.170.71得数保留两位小数1.18×3.40.45×12×0.272×0.81+10.37.06×2.4-5.82、下列各题怎样简便就怎样算。3.71.40.051.425+3.452.73.7+3.77.31.51021.250.70.88.7990.8（12.5–1.25）1.250.4802.54.8×0.252.8-2.8×0.159.4×5.8+10.6×5.812.5×17.8×0.89.9×2.50.034×0.5×0.20.66×1012.33×0.5×41.3×2.5+0.7×2.50.24×0.48×41.26×0.6+1.26×0.4102×0.55
