精打細(xì)算（訓(xùn)練內(nèi)容：商的小數(shù)點(diǎn)與被除數(shù)的小數(shù)點(diǎn)對(duì)齊）：17.525= 53.341= 22.515= 93.652= 37.818= 21.1692= 24.6477= 12.9654= 9.3867= 13.6462= 1.8214= 1.9212= 4.8321= 6.9333= 10.2432= 2.8818= 23.9457= 9.8943= 19.3292= 19.1487= 10.9291= 6.7527= 49070= 7.2828= 復(fù)習(xí)整數(shù)除法：76421= 66496= 52565= 11843= 80441= 47641= 68231= 331539= 70416= 43216= 72649= 28329= 82573= 26488= 31123= 80967= 14837= 38018= 29219= 12028= 65458= 105688= 26119= 74139= 打掃衛(wèi)生（訓(xùn)練內(nèi)容：小數(shù)末尾添上0繼續(xù)除）：12.32= 20.75= 36.33=304= 45.96= 428=325 = 425 = 3556=0.639= 7.7995 = 43.812=13.68= 15.915 = 0.728=264= 18.96= 12.612=1824= 3.62= 15.87 20= 7.988= 19.32= 4.9511= 誰(shuí)打電話(huà)的時(shí)間長(zhǎng)（訓(xùn)練內(nèi)容：被除數(shù)和除數(shù)同時(shí)擴(kuò)大相同的倍數(shù)）：5.280.03= 8.40.56= 11.70.9 = 0.12 0.25= 6.30.42= 41.62.6=1.682.1= 0.60.12= 70.35=0.780.2= 0.750.25= 4.060.58= 320.08= 0.630.7= 27.94.5=5.11.2= 7.653.4= 3.30.75=6.210.03= 10.84.5= 9.365.2=210.7= 364.8= 30.15=調(diào)查“生活垃圾”（訓(xùn)練內(nèi)容：小數(shù)混合運(yùn)算）（16.8+2.1）0.7 0.96（5.40.9）90（3.61.8） 3.60.41.253.47.83.9 0.360.3454（3.946.86） （3.20.12）0.80.1750.254 631.43.60.560.282.8 19.44（2.73.3）17.50.51.4 21.32（6.328.3）12.451.350.65） 4.571.24.571.92（2221.7） 3.60.90.250.96（5.40.9） 5.1510.292(2221.7) 3.60.90.250.96(5.40.9) 5.1510.24.571.24.570.2 62.3(62.30.8)1.43.50.142.8 15.72(