phường a 9000 người
phường b 12 000 người
phường c 15 000 người
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trong cung 1 nam ,mat do dan so cua 1 phuong noi thanh ha noi la 2190 nguoi/km2 ,mat do dan so 1 xa ngoai thanh ha noila 180 nguoi/km2.
a,biet dien tiach cua phuong la 1,9 km2 va dien tich cua xa la 4,5 km2 .hoi so dan cua xa bang bao nhieu phan tram so dan cua phuong .?
b, neu muon tang mat do dan so cua xa len 210 nguoi/km2 thi so dan cua xa phai tang them bao nhieu nguoi?
mot phuong co so dan la 36 00000 nguoi hoi den cuoi nam dan so cua phuong do la bao nhieu biet rang nam do dan so cua phuong tang 1,2%
Ba khu dan cu A BCco tong so dan la 12000 nguoi . Biet rang 2/3 so dan o khu A bang 50% so dan o khu B va bang 40% so dan o khu C.
a)Tinh do dan o moi khu.
b)tinh ti so phan tramâu khu B va khu C
ba khu vuc a,b,c co tong so dan la 12000 nguoi. tinh so dan moi khu vuc, biet 2/3 so dan khu vuc a bang 5/10 so dan khu vuc b va bang 4/10 so dan khu vuc c
trong cung mot nam , mat do dan iso cua mot phuong noi thanh ha noi la 2190 nguoi / km2 , mat do dan so mot xa ngoai thanh ha noi la 180 nguoi / km2
A} biet dien tich cua phuong la 1,9km2 va dien tich cua xa la 4,5km2 . hoi so dan cua xa la = bao nhieu phan tram so dan cua phuong ?
B: neu muon tang mat do dan so cua xa len 210 nguoi /km2 thi so dan cua xa phai tang them bao nhieu nguoi
cuoi nam 2000 so dan cua 1 phuong la 15 625 nguoi . Cuoi nam 2001 so dan cua phuong do la 15 875 nguoi .
a, Hoi tu cuoi nam 200 den nam 2001 so dan cua phuong do tang them bao nhieu phan tram?
b, Neu tu cuoi nam 2001 den cuoi nam 2002 so dan cua phuong do cung tang them bay nhieu phan tram thi cuoi nam 2002 so dan cua phuong do la bao nhieu nguoi ?
cuoi nam 2000 so dan cua mot phuong la 15 625 nguoi. cuoi nam 2001 so dan cua phuong do la 15 875 nguoi.
a) hoi tu cuoi nam 2000 den het cuoi nam 2001 so dan cua phuong do tang them bao nhieu phan tram ?
b) neu tu cuoi nam 2001 den cuoi nam 2002 so dan cua phuong do cung tang them bay nhieu phan tram thi cuoi nam 2002 so dan cua phuong do la bao nhieu nguoi ?
cuoi nam 2000 so dan cua mot phuong la 15 625 nguoi.Cuoi nam 2001 so dan phuong do la 15 875 nguoi.
A)hoi tu cuoi nam 2000 den cuoi nam2001 so dan xua phuong do tang them bao nhieu phan tram?
B)neu tu cuoi nam 2001 den cuoi nam 2002so dan phuong cung tang them bay nhieu phan tram thi cuoi nam 2002 so dan phuong do la bao nhieu nguoi?
Cuoi nam 2000 so dan cua mot phuong la 15 625.Cuoi nam 2001 so dan cua phuong do la 15 875 nguoi.
a)Hoi tu cuoi nam 2000 den nam 2001 so dan cua phuong do tang them bao nhieu phan tram?
b)Neu tu cuoi nam 2001 den cuoi nam 2002 so dan cua phuong do cung tang them bay nhieu phan tram thi cuoi nam 2002 so dan cua phuong do la bao nhieu nguoi?