五年级上册数学期末复习小数乘除法专项练习（一）五年级上册数学期末复习小数乘除法专项练习（二）五年级上册数学期末复习小数乘除法专项练习（三）五年级上册数学期末复习小数乘除法专项练习（四）五年级上册数学期末复习小数乘除法专项练习（一）691.2691206.91269.12691205.610.510.565.620.63=5.76=3.744=27=58.80.720.3121.083.92×8×12×25×155.7662454019603122163923.74427.0058.8=125.28=6.72=0.819=1.3957.833.21.823.1×16×2.1×0.45×0.454698329100155783647281246.720.819125.281.395一个正方形铁圈的周长为：1.5×4=6（分米)=0.6（米）10个铁圈需要铁丝长为：0.6×10=6（米）答：需要6米的铁丝。解：a×30的积一定大于30，说法错误；因为a的值不确定，当a＜1时，a×30<30，当a=1时，a×30=30，当a＞1时，a×30>30，所以，a×30的积一定大于30，说法错误。解：30.5×3=91.5（千克）2.6×91.5=237.9(元)答：一共运来91.5千克、这些苹果一共可收入237.9元1.6+1.6+1.6+1.6+1.65×1.6836.25255052828470698.五年级上册数学期末复习小数乘除法专项练习（二）=8.568=27=0.05282.521.08验算：0.12×3.425验算：0.44×25×1.08×0.44540×0.12100820048756216488825448.56827.0027.000.05280.0528=0.2268=0.2432=0.01150.420.760.25×0.54×0.32×0.0461681521502102281000.22680.24320.0115048004800484.80.480.048解：31×17.3=536.3（度）0.5×536.3=268.15(元)答：5月份一共要用电536.3度，这个月要交电费268.15元解：(88-0.6)÷1.15=87.4÷1.15=76（米）答：四川乐山大佛的高度是76米。解：32.5×0.9=29.25（千克）32.5千克＞29.25千克32.5-29.25=3.25（千克)答：第二天卖出苹果29.25千克；第一天卖得多；多3.25千克。解：0.6×15=9（元）10>9答：10元够用。＜＞解：12.1-(10+1)=12.1÷11=1.1答：B数是1.1。五年级上册数学期末复习小数乘除法专项练习（三）15.6615661.566=2.2338=58.76=0.0585=0.145=0.2433.061130.130.581.35×0.73×0.52×0.45×0.25×0.189182266529010802142565521161352.233858.760.05850.14500.243010.80.800.79633.03.053.050109.99.959.95021.91.921.921=1.7=2.8≈1.51≈4.284.83.126.033.45×0.35×0.9×0.25×1.242402.8083015138014412066901.6801.50753454.2780解：2.35×1.3=3.055（万元）3.055>2.35即周二的营业额多3.055-2.35=0.705≈0.7(57)答：周二的营业额多，多0.7万元.38.2×7≈266（千克）382×7=267.4（千克）答：一周可出售267.4千克。解：1.3×1.1×12=1.43×12≈17（平方米）答：做12扇这样的窗户至少需要17平方米玻璃.五年级上册数学期末复习小数乘除法专项练习（四）=30×12=94.72-2.3=3.65-2.42=360=92.42=1.23=0.555+4.02=9×0.93=4.7×3.3=4.575=8.37=15.51=0.25×4×16.2=3.6×(100+2)=3.5×(3.72+6.28)=36.8-(3.9+6.1)=1×16.2=3.6×100+3.6×2=3.5×10=36.8-10=16.2=360+7.2=35=26.8=367.2=15.6×(13.1-1-2.1)=0.48×78+78×0.52=25.48-9.4+0.52=15.6×10=78×(0.48+0.52)=25.48+0.52-9.4=156=78×1=26-9.4=78=16.6解：(16.8-3.5）×16.8=13.3×16.8=223.44（平方米）答：这块地的面积是223.44平方米.解：30-（3×5+2.2×5）=30-(15+11)=30-26=4（元）答：应找回4元.解：5×3-4.5×2=15-9=6答：甲数是6.解：9.2-(9.2-5.6)×2=9.2-3.6×2=9.2-72=2（千克）答：桶重2千克.