Question

va rog repede exercițiile 14,18,12 dau coroana imi trebuie repede va rog

Answer 1

12.

121/4 - 62/4 = 59/4

14.

a)(22×23)/2 : 23 =

(22×23)/2 × 1/23 =

11

b)(20×21)/2 : 21 =

(20×21)/2 × 1/21 =

10

18.

a)(100×101)/2 : 50 =

(100×101)/2 × 1/50 =

101

b)(101×102)/2 : 101 =

(101×102)/2 × 1/101 =

51

Answer 2

14)

a) (22×23)/2 : 23 = (22×23)/2 × 1/23 = 11

b) (20×21)/2 : 21 = (20×21)/2 × 1/21 = 10

18)

a) (100×101)/2 : 50 = (100×101)/2 × 1/50 = 101

b) (101×102)/2 : 101 = (101×102)/2 × 1/101 = 51

12)

121/4 - 62/4 = 59/4