Question

Scrieți urmatoarele nr ca produs de numere consecutive : 20,30,90,132,210,240,380,420,272,702,600,870​

Answer 1

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$\bf 4\cdot 5 = 20$

$\bf 5\cdot 6 = 30$

$\bf 9\cdot 10 = 90$

$\bf 11\cdot 12 = 132$

$\bf 14\cdot 15 = 210$

$\bf 15\cdot 16 = 240$

$\bf 16\cdot 17 = 272$

$\bf 19\cdot 20 = 380$

$\bf 20\cdot 21 = 420$

$\bf 24\cdot 25 = 600$

$\bf 26\cdot 27 = 702$

$\bf 29\cdot 30 = 870$

==pav38==

Answer 2

20=4×5

30=5×6

90=9×10

132=11×12

210=14×15

240=15×16

272=16×17

380=19×20

420=20×21

600=24×25

702=26×27

870=29×30