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phambadanh123
2 năm trước
Viết các biểu thức sau dưới dạng tích của hai đa thức a, 9 - x ² b, 9x ² - 4 c, x ² - 9y ² d, 25x ² - 81y ² e, ( x - 2y ) ² - 9 g, ( x - 3y ) ² - ( x + y ) ²
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Eating the right foods and the right (2) ____________ of foods can help you live a longer, healthier life. Research has proven that many illnesses - such as diabetes, heart disease, and high blood pressure - can be prevented or controlled by eating right. Getting the (3) ____________ you need, such as calcium and iron, and keeping your weight under control can help. Try to (4) ____________ the calories you get from food with the calories you use through physical activity. It is never too late to start eating right. Here are some (5) ____________ tips. Eat a (6) ____________ of foods, especially: Vegetables, Fruits, Dry beans (such as red beans, navy beans, and soybeans), whole grains, such as wheat, rice, oats, corn, and barley. Eat foods low in fat, saturated fat, and cholesterol, especially: Fish, poultry prepared without skin; lean meat, (7) ____________ dairy products. Physical Activity Research shows that physical activity can help prevent at least six diseases: heart disease, high blood pressure, obesity (excess weight), diabetes, osteoporosis, and mental disorders, such as depression. Physical activity also will help you feel better and stay at a healthy weight. Try to do a total of 30 minutes of constant physical activity, such as fast (8) ____________ most days of the week.

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