小学生乘除法练习题
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小学生乘除法练习题
一、小数乘法1、列竖式计算。
27×0.430.86×1.21.2×1.4
2、计算下面各题,能简便运算的要简便运算。.06×2.4-5.2.33×0.5×.76×0.25+25..8×0.二、小数除法
1、用竖式计算下面各题。
68.8÷4=5.44÷16=89.9÷18=101.7÷9=16.8÷28=15.6÷24= 1.35÷27=0.416÷32=1.2÷3.8=0.756÷0.18=÷0.13=210÷1.4=10.625÷25=126÷45=0.65×105
1.2×
2.5+0.8×2.5
67.5÷15=
243.2÷64=
9)0.138÷15=
3.64÷52=
51.3÷0.27=
2.688÷0.56=
10÷25=
2.7÷7.5=15÷0.06=25.6÷0.032=
2、下面各题,商保留一位小数。
14.36÷2.7≈8.33÷6.2≈1.7÷0.03≈
3、下面各题,商保留二位小数。
32÷42≈1.25÷1.2≈2.41÷0.7≈
三、解决问题
1、一个正方形的周长是9.48米,它的边长是多少米?
2、小汽车8分钟行12.8千米,公共汽车12分钟行14.4千米,谁的速度较快?快多少?
3、小红、小表、小兰、小花、小梅一起去开心乐园玩,车费用去了9.5元,门票费32.5元。平均每人用去多少元?
4、解放军某部急行军3小时行了18.8千米,平均每小时行多少千米?
5、王老师从家骑车到学校要用0.25小时,家离学校有多远?如果他改为步行,每小时走5千米,用0.8小时能到学校吗?
6、双休日爸爸带小勇去登山。从山底到山顶全程有
7.2千米,他们上山用了3小时,下山用了2小时。上山、下山的速度各是多少?你还能提出其他数学问题吗?
7、汽车每行驶5小时要用汽油0.8千克。如果汽车现有汽油50千克,要行驶325千米,还需加油吗?
班级:姓名:
一、计算下面各题
14× 12=478×24=54×36= 08×16=
503×79=5×156=180×63=560×140=
64÷30= 40÷60=57÷60 =7÷40= 50÷40=
390÷70=784÷90=52÷50= 50÷30= 79÷70=
二、直接写出得数
158÷41≈121÷39≈248÷51≈63÷81≈57÷62≈808÷92
≈000÷800=320÷40=10÷30=00÷60=90÷10=
三、解决问题
1、一辆汽车往返于甲、乙两地之间,去世的速度为56千米/时,共用了5小时,返回时只用了4小时。这辆汽车往返时的速度是多少?
2、甲、乙两地之间距离是378千米,一辆汽车以60千米/时的速度从甲地开往乙地,6个小时后能到达吗?
3、学校为学生定制校服,每套校服85元,全校共有209名学生,5000元够用吗?
4、大象每天能吃360千克,是熊猫每天吃的20倍,熊猫每天吃多少千克?
5、我国有五大湖泊,其中洞庭湖的面积约为2740平方千米,鄱阳湖的面积比洞庭湖多193平方千米,太湖的面积比鄱阳湖的面积少513平方千米。太湖的面积是多少平方千米?
6、小学在校园内展出彩色照片210张,黑白照片28张。展出彩色照片的数量大约是黑白照片的多少倍?
7、某交通路口的红绿灯,每30秒转换一次,下午5时刚换成红灯,到5时10分要转换多少次?
一、口算下面各题
720÷80=30÷90=6400÷800=64÷7≈ 0÷40=90÷68≈
125×8= 5×4=60×50=500×0=780+120=×35=
二、列竖式计算
41×35=5×12=
68×231=
65÷21=72÷18=
95÷19=
100÷48=9÷80=
200÷49=
60×38=0÷19=729÷82=510 ×290=0÷31=200÷41=
360 × 19× 11× 4×× 0× 3× 5×× 10×860 × = = = = = = = = = == 17÷41 ÷21 ÷7÷7÷9÷91 ÷6÷41 ÷5÷0 ÷ = = = = = = = = = = =56×23×48×220 ×7×92×27×58×121 ×87×10 × = = = = = = = = = = =9÷8÷ 150 ÷9÷0 ÷10 ÷2÷9÷5÷÷ 0÷ =
= = = = = = = = = =
65××3× 19×8×3×7×3×
42×3×71 ×1× 130 ×31 × 10×50 ×4×9× 0× × 1 14×2×8××8×2×60 ×1××7×8×6×8××
=÷ =÷ = 5÷ =÷ = 5÷ =÷ = 4÷ = ÷ = 0÷ = 7÷ = 161 ÷ =÷ = 3÷ = 51 ÷ =÷ = ÷ = 3÷ = 1÷ =÷ = 40 ÷ = 9÷ = 7÷ = 141 ÷ = 2÷ 1 = 0÷ =÷ = 8÷ =÷ = ÷ = 0 ÷ = 40 ÷ = 17÷ = 0÷ =
44÷
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
11×8×1×2×3×1×2×0×41 ×1×0×7×51 ×0 ×0×6×9×4× 8×0 ×8×5×91 × 16×51 ×6×0×5×8× 1× 18× 3× 4× 0×
= 2÷ = 1÷ = 9÷ = 1÷ = 4÷ = 5÷ = 3÷ = 8÷ = 91 ÷ = 3÷ 1 = 0 ÷ = 2÷ = 1÷ = 17÷ =÷ 1 =÷ = 12÷ =÷ =0 ÷ = ÷ = 11÷ =÷ = 1÷ = 1÷ = ÷ = 8÷ 1 =÷ = 11 ÷ = ÷ = 8÷ = 19÷ 1 =÷ = 9÷
=
23÷
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