a)
15 : 4 = 3, 75
12
-------
= 30
28
---------
= 20
20
----------
= =
15 / 4 = 3, 75
b)
68 : 3 = 22, 666...
6
-----
= 8
6
------
20
18
--------
= 20
18
-----------
= 20
18
--------------
= 20...
68 / 3 = 22, ( 6 )
c)
43 : 11 = 3, 909090...
33
------
100
99
-----------
= = 10
0
------------
100
99
----------------
= = 10
0
-------------------
100
99
----------------------
= = 10
0
------------------------
100...
43 / 11 = 3, ( 90 )
d)
5 : 8 = 0, 625
0
----
50
48
-------
= 20
16
----------
= 40
40
-----------
= =
5 / 8 = 0, 625
Răspuns:
a) 3,75 c) 3,(90)
b) 22,(6) d) 0,625
Explicație pas cu pas:
a) [tex]\frac{15}{4}[/tex] = 15 ÷ 4 = 3,75
b) [tex]\frac{68}{3}[/tex] = 68 ÷ 3 = 22,(6)
c) [tex]\frac{43}{11}[/tex] = 43 ÷ 11 = 3,(90)
d) [tex]\frac{5}{8}[/tex] = 5 ÷ 8 = 0,625