Tony has a big family. It consists of his mother, father and two little brothers.
Every day parents go to their work and children go to school. Each member of the family has their hobbies. Mom likes to sing and dance, dad is fond of football, Tony likes to draw and two little brothers, Andy and Sam like swimming.
Tony loves his family and wants them to stay together forever.
Если M, N, K, P - середины сторон четырехугольника ABCD.
Проведи диагонали четырехугольника ABCD, тогда MN = PK и MN||PK (как средние линии треугольников ABC и ADC с одним основанием AC), MN=PK = AC/2, и MN||AC||PK.
Аналогично для NK и MP - это средние линии треугольников BCD и BAD с одним основанием BD, тогда NK=MP= BD/2, NK||BD||MP.
По определению параллелограмма: MNKP - параллелограмм.
1) have bought
2) wrote
3) tell
4) saw
5) have taken
6) found
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