Chứng tỏ rằng đa thức : P = x2 - 2x + 2 luôn luôn lớn hơn 0 với mọi x.

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Dựa vào các từ cho sẵn, viết câu hỏi với động từ khuyết thiếu “will”. Ví dụ he/ eat for breakfast/ what What will he eat for breakfast? • John/ do/ what .................................................................................................................................... • the mouse/ eat/ what .................................................................................................................................... • Max/ pay/ how much .................................................................................................................................... • you/ feel/ how .................................................................................................................................... • you/ find/ what .................................................................................................................................... • the children/ play/ where................................................................................................................................ • Jack and Jill/ go up the hill/ why................................................................................................................... • you exercise/ when .................................................................................................................................... • she/ say/ that .................................................................................................................................... • you/ do that/ how ....................................................................................................................................