题目列表(包括答案和解析)
1.10098400读作( ),四舍五入到万位是( )。
×
=
×
= 12×
=
+3=
÷
=
÷4=
×
= 5÷
=
÷
=
÷
=
×2=
×13=
×
=
÷3= 36×
=
÷
= 5÷6=
÷5=
×18=
÷
=
26×
=
×2=
×
=
÷
= 24÷
=
×
=
+
=
×
=
÷8=
+
=
×15=
+
=
×
= 14×
= 1÷
=
÷4=
3-1.95=
-
=
÷
=
×27=
×3=
-
=
×8=
+3=
6÷
= 0÷
= 6.3÷0.07= 26×
=
÷
= 125×8=
6×
=
×
=
×
=
+6=
×
=
×4=
0.5-
=
×
= 100÷
= 88÷
=
+
= 4×
= 12÷
= 25×4=
10÷
=
÷4=
×
=
×60=
×
= 12÷
=
×8=
×11= 10÷
=
×
=
÷
=
×
=
×
= 0×
= 6÷0.5= 8.4÷4.2=
5×
=
×
=
÷2=
×
=
5-
=
÷1=
12÷
= 1÷
=
×
= 28÷
=
0×
=
×
=
-
=
×
= 24×5=
÷
=
×
=
-
= 1-
= 9÷
=
8.有一个圆柱体侧面展开正好是一个边长31.4cm的正方形,求它的表面积。
7.拖拉机厂汁划制造720台拖拉机,已经干了4.5天,平均每天制造90台,剩下的要在3天内完成,平均每天制造多少台?
6.一列快车从甲地到乙地需5h,一列慢车从乙地到甲地需要7h,现在两车同时从甲乙两站相对开出,已知快车比慢车每小时多行24km,求全程是多少千米?
5.一辆汽车为灾区运送救灾物资,原计划每小时行驶60km,12h可以到达目的地,由于气候原因,每小时比计划少行驶10km,这辆汽车实际上用多少小时到达灾区?(用比例方法解答)
4.画一个直径是3cm的圆,并求出它的周长和面积。
3.一项工程,甲队独干15天完成,乙队独干20天完成,现在由两队合作干5天后,还剩下这项工程的几分之几?
2.在一幅比例尺是1∶1000000的地图上,量得北京到天津的距离是12cm,北京到天津的实际距离是多少千米?
1.王师傅生产500个零件,有495个合格,求合格率。
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