ʱ : һ 最新人教版小学数学四年级下册全册课课练含答?- 百度文库ϿʼĶ
3ʱ ˡּĹϵ
1.ֿƬдһ˷ʽʽ 36 25 900 2.д±
84 26
25 750
36 180
3.ʽ㲢㡣 28035= 6125= 10316= 62825=
4.300ǧ,5컹ʣ25ǧˡƽÿԶǧ?
5.ѧУ֯170ʦͬѧȥ,50˳ͳ,ʣµ˳5аͳƽÿаͳ?
6.һֻ4СʱԼ252ǧ,һ˶ԱÿСʱԼ21ǧסٶȴԼ˶ԱĶٱ?
5 ҳ 173 ҳ
ʾ
1.3625=900 90036=25 90025=36 2.2184 30 5
3.8 750 1648 253 4.(300-25)5=55(ǧ) 5.(170-50)5=24() 6.252421=3
6 ҳ 173 ҳ
4ʱ ϰ
1.300ǧ,5컹ʣ25ǧˡƽÿԶǧ?
2.ѧУ֯170ʦͬѧȥ,50˳ͳ,ʣµ˳5аͳƽÿаͳ?
3.һֻ4СʱԼ252ǧ,һ˶ԱÿСʱԼ21ǧסٶȴԼ˶ԱĶٱ?
7 ҳ 173 ҳ
ʾ
1. (300-25)5=55(ǧ) ƽÿ55ǧˡ 2. (170-50)5=24() ƽÿаʿ24ˡ 3. 252421=3 ٶȴԼ˶Ա3
8 ҳ 173 ҳ