Ответ:
1.9.18,27,36,45,54,63,72,81
2.(21 : 3 = 7) (7 : 7 = 1)
21 = 3 · 7=21
34 : 2 = 17) (17 : 17 = 1)
34 = 2 · 17=34
(9 : 3 = 3)
(3 : 3 = 1)
9 = 3 · 3 = 32
3.6
4.НСК( 50 ; 105 ) = 1050 .
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Ответ:
1.9.18,27,36,45,54,63,72,81
2.(21 : 3 = 7) (7 : 7 = 1)
21 = 3 · 7=21
34 : 2 = 17) (17 : 17 = 1)
34 = 2 · 17=34
(9 : 3 = 3)
(3 : 3 = 1)
9 = 3 · 3 = 32
3.6
4.НСК( 50 ; 105 ) = 1050 .