五年级上册数学寒假作业答案20116.doc

拻爛撰奻聊杅悝漁樑釬珛湘偶20116 菴珨珜:珨3 1.2 8.7 1.26 124170.4 0.24 3 0.0615媼4.140.1442.04 2816.25162.5 0.1625,42 0.42 0.42侐15.627.72菴媼珜侐2.254.16 25.7582拻4.83.22 2.81.6=15.362 =4.48(源濰譙)=7.68(源濰譙)(2.4+4.6)3.22(8.4+11.8)7.52=73.22=20.27.52=11.2(源濰譙) =75.75(源濰譙)菴珜鞠賤樵恀枙1 68043.2=1703.2=544(譙)2 541.815= 36.12(譙) 541.87= 77.4 (譙) 77.4-36.12=41.28 (譙)31855.4= 999(譙)