Dutzapop Dutzapop 09-06-2014 Matematică a fost răspuns Adevarat sau fals?a) 7 x ( a + 5) = 7 x a + 5b) 3 x ( a + b ) = 3 x a + 24c) (a + 1 + b) x 35 = 35 x a + 35 + 35 x b d) ( a + 1 ) x 5 = 5 x a + 1e) (a + 1) X 5 = a X 5f) 5 X ( a + 1) = 5 X a + 5