1) aflati suma divizorilor numarului 18. dar suma divizorilor numarului 81 ?
exercitiul 2) sc...
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Mathematics, 20.09.2019 15:00 talanna394
1) aflati suma divizorilor numarului 18. dar suma divizorilor numarului 81 ?
exercitiul 2) scrieti primii 5 multipli ai numerelor 8,18,21,35,64 si 111.
exercitiul 3) stabiliti valoarea de adevar a propozitiilor :
a)17: 17 b)6|48 c)72: 9 d)110 e)12|144 f) 2^2 | 4^3 g)125: 25 h)144: 12 i)121: 11 j)10^|200 k)10 | 7(4^2-2x3) l)436: 12 m)8|14 n)4: 4 o)4: 3 p)15|315 q)19|190 r) (6^2x5-2^2x10) : (3^2+1^569-0^368) s)6^2 | (4^3+ 2x15-2x5^2) t) 6 : (2^5x5)
exercitiul 3) scrieti divizorii numerelor 10,30 si 45 . precizati care sunt divizorii propii si care sunt divizorii impropii ai fiecarui numar.
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