Question

c) 17
25
25
100 100
7
a) 3
8
1
8
)
+
1
4
b)
5 7
--
6 6
12. Efectuati: a)
-*
c)
7
3
4
3
12.
13
d)
4
3
9 2
+
11
11​

Answer 1

Răspuns:

a) 6/8+1/4 = aducem la același numitor 8

6/8+ 2/8= 8/8=1

b) 12/6-1/7 = ( numitor comun 42)

84/42 -42/42=

42/42=1

c) 3/3-12/13 = ( numitor comun 39)

39/13- 36/ 13 = 3/13

d) 4/3- 11/11 = ( numitor comun 33)

44/33- 33/33= 11/33 ( simplificam prin 11) = 1/3

Answer 2

Răspuns:

la fel

Explicație pas cu pas:

jxjsjsbsbzksn4afbvFjtsnstjcsb