viet so thich hop vao cho cham
37m khoi 345m khoi m khoi
4m khoi 50dm khoi m khoi
60m khoi 5dm khoi m khoi
402dm khoi 2cm khoi dm khoi
276dm khoi m khoi
99dm khoi m khoi
9dm khoi m khoi
57cm khoi dm khoi
34,6m khoi bang dm khoi
209m khoi bang dm khoi
2 phan 5 m khoi bang dm khoi
2 dm khoi bang m khoi
2 cm khoi bang m khoi
5 phan 8 m khoi bang cm khoi
2,643dm khoi bang cm khoi
51,17m khoi bang cm khoi
a] 375dm khoi= cm khoi 4phan 5 dm khoi = cm khoi
5,8dm khoi= cm khoi
b] 2000cm khoi= dm khoi 154 000cm khoi= dm khoi
490 000cm khoi= dm khoi 5100cm khoi= dm khoi
3dm vuong 50cm vuong=.........m vuong
6ha35m vuong=............km vuong
0,305dm khoi=..........cm khoi
15,5dm khoi=.......cm khoi
5,005m khoi=...........dm khoi
7m khoi 55dm khoi=...........m khoi
3m khoi5000dmkhoi=.....mkhoi
46489cm khoi = ..................... dm khoi = ....................... ............ m khoi
người ta đổ cát vào một cái hố hình hộp chữ nhật chiều dài 50dm,chieu rong 30dm va chieu sau 50dm.Hay tinh xem phai do vao bao nhieu khoi cat(biet rang 1 met khoi goi tat la 1 khoi)thi day cai ho do.
3gio= phut
3gio15phut= gio
375phut= gio
5m khoi 12 dm khoi = m khoi
4,53m khoi = dm khoi
2 nam 6 thang = thang
5m khoi 123m khoi= m khoi
7,379m khoi= dm khoi
mot cai thung hinh lap phuong bang ton canh 5dm chua day bot biet rang 1dm khoi bot nang1.2kg va 1m vuong ton de lam thung nang 4kg tim khoi luong thung bot
1) Dien so thich hop vao cho cham:
a) 2kg 8g=......kg 67g=.....kg 203kg=.....tan
b) 5km 3m=.....km 28m=.....km
c) 65m vuong=.....ha 3/5ha=.....m vuong 0,5km vuong=...m vuong
d) 206m khoi=...m khoi 4dm khoi 7cm khoi= ......dm khoi 2/4m khoi=.....dm khoi