期末检测一、1. 9 0.05 12.3 7.2 0.03 0.6 0.036 202.(1)26.8+7.3=34.1验算:(2)4.13-2.59=1.54验算:(3)5.6+7.84=13.44 (4)8-1.57=6.43 (5)12.9×0.16=2.064验算:(6)8.93÷1.9=4.7验算:(7)3.64×2.8=10.192 (8)8.4÷0.28=30 (9)32.5×0.8=263. (1) 15.6-9.29-0.71 = 15.6-(9.29+0.71 ) = 15.6-10 = 5.6 (2)3.06÷[1 |