Kiem tra chat luong san pham o mot phan xuong, nguoi yta thay co 162 san pham khong dat chuan . Tinh ti so phan tram cua so san pham dat chuan va tong so san pham cua phan xuong do.
Kiem tra san pham cua mot xuong may , nguoi ta thay co 732 san pham đạt chuẩn , chiếm 91,5 tong so san pham . Tinh tong so san pham .
kiem tra san pham cua mot nha may,nguoi ta thay trung binh 100 san pham thi co 95 san pham dat chuan.hoi so san pham dat chuan chiem bao nhieu phan tram tong so san pham cua nha may?
kiem tra san pham cua 1 nha may nguoi ta thay co 44 san pham khong dat chuan chiem 5,5% tong so san pham tinh tong so san pham
kiem tra toan bo san pham cua xuong may lam trong mot tuan thi thay co 950 san pham dat duoc yeu cau va chiem 95% san pham da kiem tra. hoi qua kiem tra da co bao nhieu san pham chua dat yeu cau
bai 1:1 manh dat hinh chu nhat co chieu dai 14m,chieu rong 15m.nguoi ta danh 25%dien tich manh de lam nha.tinh dien tich phan dat lam nha. bai 2:kiem tra san pham cua 1 nha may,nguoi ta thay co 44 san pham ko dat chuan va chiem 5,5% tong so san pham.tinh tong so san pham bai3;biet rang dien tich trong hoa bang 250m2 va chiem 10% dien tich san truong.hay tinh dien tich san truong
Mot nha may lam ra so san pham dat chuan la 1235 san pham,chiem 95% tong so san pham cua nha may.Hoi nha may lam duoc tat ca bao nhieu san pham.
mot nha du dinh san xuat 60 san pham nhung co 90% dat chuan hoi so san pham ko dat chuan ?
moi nha may co 36 san pham dat chuan chiem 56 % hoi san pham nha nuoc de la bao nhieu?