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descopera regula si complecteaza sirurile cu inca trei termeni:5,10,15,....,....,3,6,...,12,.... .....,31,29,27,....,....,.....,20,16,...,8,...,....​

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Explicație pas cu pas:

descopera regula si completeaza sirurile cu inca trei termeni: 5,10,15,....,....,3,6,...,12,.... .....,31,29,27,....,....,.....,20,16,...,8,...,....​

5, 10, 15, 20, 25, 30, ....,....,

3,6,9,12, 15, 18, 21,.... .....,

31, 29, 27, 25, 23, 21, ....,....,.....,

20, 16, 12, 8, 4, 0, ...,....​