Look at the picture in Ex. 1 and ask and answer questions. A: Is there any milk? B: Yes, there s some milk. A: Is there any sugar?

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Другие предметы: Look at the picture in Ex. 1 and ask and answer questions. A: Is there any milk? B: Yes, there s some milk. A: Is there any sugar?

Brynd · Answer

X^2-12x+5x-9+x^2   02x^2-7x-9   0решаем соответствующее квадратное:2x^2-7x-9 = 0D = 49+4*2*(-7) = 49+56 = 105x1 = (7+ корень(105)) / 4x2 = (7- корень(105)) / 4 далее см. фотографию...

Look at the picture in Ex. 1 and ask and answer questions. A: Is there any milk? B: Yes, there's some milk. A: Is there any sugar?

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