Neu ban kinh hinh tron tang 10% thi dien tich tang bao nhieu phan tram ?
Duong kinh mot hinh tron tang them 10%. Hoi dien tich hinh tron do tang them bao nhieu phan tram?
mot hinh tron co duong kinh tang 10% thi dien tich hinh tron tang them bao nhieu phan tram ?
neu ban kinh cua hinh tron do tang 20% thi chu vi hinh tron do tang bao nhieu phan tram
cau 1 : mot cua hang ban lai 20% so voi gia ban . Hoi cua hang lai bao nhieu phan tram so voi gia von
cau 2 : de dien tich mot hinh chu nhat tang len gap doi ma chieu rong chi tang them 25% thi chieu dai phai tang them bao nhieu phan tram
cau 3 : neu giam do dai canh cua mot hinh vuong di 10% thi dien tich cua hinh vuong do giam di bao nhieu phan tram
cau 4 : neu tang do dai canh cua mot hinh vuong them 10% thi dien tich cua hinh vuong do tang them bao nhieu phan tram
ban kinh hinh tron tang len 10% thi dien tich tang len bao nhieu phan tram
ban kinh cua mot hinh tron tang 20 phan tram thi dien tich hinh tron do thay doi nhu the nao ? vi sao ?
neu duong kinh hinh tron tang them 30% thi chu vi hinh tron do tang bao nhieu phan tram
neu giam do dai ban kinh cua mot hinh tron di 10 % so do cua no thi dien tich hinh tron giam di bao nhieu phan tram