Question

Va rog. Dau coroana.Ex 11,12,13.​

Answer 1

Răspuns:

Explicație pas cu pas:

ex 11

a) (9)5/2, (3)1/6, 7/18 rezulta 45/18, 4/18, 7/18

b) 7/24, (6) 5/4, (3)3/8 rezulta 7/24. 30/24, 9/24

c)(5) 5/6, 1/30, (2) 4/15 rezulta 25/30,1/30,8/30

d) (4)7/9, (6)1/6,5/36 rezulta 28/36, 6/36, 5/36

ex 12

a) (4)2/7, (7)5/4, (2)3/14 rezulta 8/28, 35/28, 6/28

b) (5) 5/6, (6)3/5, (3) 1/10 rezulta 25/30, 18/30, 3/30

c)(4)2/9, (2)5/18, (9) 7/4 rezulta 8/36, 10/36, 63/36

d) (5)7/8, (8)4/5, (4)3/10 rezulta 35/40, 32/40, 12/40

ex 13

a) (3)4/15, (9)3/5, (5)8/9 rezulta 12/45, 27/45, 40/45

b) (5)7/12, (6) 3/10, (4)4/15 rezulta 35/60, 18/60, 16/60

c) (7)8/9, (3) 4/21, (9)5/7 rezulta 56/63, 12/63, 45/63

d) (3)5/18, (9)7/6, (2)4/27 rezulta 15/54, 63/54, 8/54

numerele din paranteze este cu cat trebuie amplifivata fractia sa fie la acelasi numitor comun