doi sothap phan 0,0(9) thanh phan so
doi so thap phan 0,0(9) thanh phan so
mot bien doi co 180 doi vien, chia thanh cac phan doi co 8 hoac 9 doi vien. Biet rang so doi vien trong cac phan doi co 8 ban nhieu hon so doi vien trong cac phan doi co chin ban . Hoi co bao nhieu phan doi moi loai.
nho viet cach iai ra nhe
cam on
minh biet cach giai chu khong biet tra loi
ds:18 phan doi co 8 ban
4 phan doi co 9 ban
viet cac so thap phan vo han tuan hoan sau day thanh phan so:2,3(5) ; 0,0(7) ; 5,19(23)
cách làm thế nao doi phan so 1/2 thanh ti so phan tram
trong cac phan so 13/14;15/13;16/18;19/20 phan so co the doi thanh hon so la so nao
Hay chia 1022 qua cam cua cac thanh phan sao cho phan thu 2 gap doi phan thu nhat , phan thu 3 gap doi phan thu 2 .... va theo cach chia nay thi phan thu 5 co 32 qua . Hoi chia nhu the nay thi duoc may phan? Tinh so qua cua moi phan?
2h36phut = gio
Doi thanh phan so thap phan
2h36phut = 2,6 giờ = 2\(\frac{6}{10}\)giờ = \(\frac{26}{10}\)giờ
Mot doi cong nhan phai mac xong 1km duong day trong mot ngay.Buoi sang doi da mac duoc 550m va buoi chieu doi da hoan thanh cong viec.Hay viet phan so chi?
A) phan cong viec lam duoc buoi sang:..................
B) phan cong viec lam duoc buoi chieu:.........
tim sothap phan a biet neu chuyen dau phay cua so a sang phai 1 hang duoc so b sang trai 1 hang duoc so c biet b-c=957.231