Dien h tang la :
60% x 60% = 9/25 = 0,36 = 36%
Dap so : 9/25 ; 0,36 ; 36%
Dien h tang la :
60% x 60% = 9/25 = 0,36 = 36%
Dap so : 9/25 ; 0,36 ; 36%
neu duong kinh tang 60% thi dien tich thay doi nhu the nao
khi ban kinh cua mot hinh tron tang gap doithi chu vi cua no thay doi nhu the nao, dien tich cua no thay doi nhu the nao?
a Gia tri mot phan so se thay doi nhu the nao neu ta them vao tu so mot so bang mau so va giu nguyen mau so
b Gia tri mot phan so se thay doi nhu the nao neu ta them vao tu so mot so bang tu so va giu nguyen mau so
co mot hinh lap phuong canh 5cm neu canh hinh lap phuong gap doi thi the tich cua no se thay doi nhu the nao ?
neu ta gap ban kinh len 4 lan thi chu vi hinh tron thay doi nhu the nao
ban kinh hinh tron thay doi nhu the nao de dien tich hinh tron tang len 9 lan ?
dien tich hinh tron se thay doi nhu the nao neu ta tang ban kinh cua no len gap 2 lan
hinh lap phuong co canh la 5 cm . neu gap canh len hai lan thi the tich cua no thay doi nhu the nao
cho so 1960 . So nay se thay doi nhu the nao neu doi cho hai chu so 9 va 6 cho nhau
giai chi tiet nha . Minh cam on