10.1除数是整数的小数除法(1)1.比一比,算一算48÷454÷385÷54.8÷45.4÷38.5÷52.列竖式计算,并想一想竖式中每一步的意思73.2÷619.2÷862.5÷2590.72÷126.75÷5=46.4÷4=30.6÷18=29.52÷24=3.在□里填上合适的数25×=51.25×49=245.49×8=8.4264.48÷16=4.李阿姨买5kg香蕉用去16.5元,买7kg梨用去21.7元。哪种水果便宜?每千克便宜多少元?参考答案1.1218171.21.8172.12.22.42.57.561.3511.61.71.233.2.055.011.05254.034.16.5÷5=3.3(元)21.7÷7=3.1(元)3.3>3.13.3-3.1=0.2(元)答:梨便宜,每千克便宜0.2元。