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matveyelmakov
03.01.2023 20:43
Геометрия
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2.Read the sentences and write the missing words.

The Earth is our… . We must take care of it. The importance of this task is … by the ecologists, scientists, who study the relations between living things and their…. . Each of us must do everything possible to … the land, air and water clean. Of course, people undertake some measures to … the environment, but this activity is complicated by the economic difficulties.

(protect, home, keep, pointed out, environment)

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rajbowa1
rajbowa1
4,4(21 оценок)
A1/b1=a2/b2=a3/b3 по условию коллинеарности векторов проверяем: 3/х=2/-5=4/z, используя пропорцию получаем х=-7,5,z=-10

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