ban ha tinh nham 15% cua 160 nhu sau
10% cua 160 la 16 vay 15% cua 160 la 24 vi 16+8 =24
5% cua 160 la 8
treo cach tinh nham nhu vay em hay giai bai toan
tren
the tich cua hinh lap phuong lon la 85 dm khoi va bang 4/3 the tich hinh lap phung be
a) the tich cua hinh lap phuong be bang bao nhieu phan tram cua hinh lap phuong lon ?
b) tinh the tich cua hinh lap phuong be .
trinh bay cach lam
5% cua 160 la 8
the tich cua hinh lap phuong lon la 85dm3 va bang 4/3 the tich hinh lap phuong be.Hoi:
a)The tich hinh lap phuong be bang bao nhieu phan tramcua hinh lap phuong lon?
b)Tinh the tich cua hinh lap phuong be ?
biet ti so the tich cua hai hinh lap phuong la 2 : 3
a. the tich hinh lap phuong lon bang bao nhieu phan tram the tich cua hinh lap phuong be ?
b. tinh the tich cua hinh lap phuong lon
The tich cua hinh lap phuong be bang 125 cm3 ,va bang 5 phan 8 the tich cua hinh lap phuong lon .Hoi
a)The tich cua hinh lap phuong lon bang bao nhieu phan tram the tich cua hinh lap phuong be ?
b)The tich hinh lap phuong lon bang bao nhieu xang -ti met khoi
a, tim ti so phan tram cua the tich hinh lap phuong lon va the tich hinh lap phuong be
b, biet the tich hinh lap phuong be la 125 dm2 tinh the tich hinh lap phuong lon
The tich hinh lap phuong be bang 125cm3 va bang 5 phan 8 the tich cua hinh lap phuong lon .Hoi
a) the tich cua hinh lap phuong lon bang bao nhieu phan tram the tich cua hinh lap phuong
b)The tich hinh lap phuon lon bang bao nhieu xang -ti-met khoi
biet ti so the tich cua hai hinh lap phuong la 4:3.hoi the tich cua hinh lap phuong be bang bao nhieu phan tram the tich cua hinh lap phuong lon ?
ti so the tich hinh lap phuong be va hinh lap phuong lon la 8:27 vay ti so phan tram cua hinh lap phuong lon va canh lap phuong be la bao nhieu %
biet ti so the tich cua 2 hinh lap phuong la2:3
a) the tich cua hinh lap phuong lon bang bao nhieu phan tram the tich cua hinh lap phuong be?
b) tinh the tichcua hinh lap phuong lon
bai 1 . nguoi ta tha 2 hon da co the tich nhu nhau vao mot be nuoc lam nuoc trong be dang them 1,2 dm . biet chieu dai be la 60 cm , chieu rong cua be la 35 cm , hay tinh the tich moi hon da .
bai 2 . hai chiec hop co the tich la 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi . tinh the tich moi hop.
bai 3 . mot hinh lap phuong co the tich 64 dm khoi . tinh dien tich toan phan cua hinh lap phuong do .
