五级上数课件-商的近似值_人教新课标()

- 口算天天练 - 2÷0.5 = 6÷0.02=1.3×0.2 = 7.2÷0.8 = 8×0.5 = 2.8+8=0

腾讯文库五级上数课件-商的近似值_人教新课标()五级上数课件-商的近似值_人教新课标()