Ngày tải lên :
26/01/2014, 01:20
... 6, 12 , 31, 62, 93, 12 4, 18 6, 372
7. 2, 3, 31
8. 19 , 2, 37, 83, 29
9. (3)(3)(5) (13 )
10 . (a), (b), (d), (e), (f ), (h), ( j), (l)
11 . (a)
8
3
(c) 5
(b)
6
5
(d) -2
10
12 . ... positive-integer remainder. For example,
215 divided by 5 yields a zero remainder, but 15 3 divided by 7 yields a remain-
der of 6.
5 215
20
43
15
15
7 15 3
14
21
13
7
0= Remainder 6 =
Remainder ...
Therefore, the solutions to
-+3 517
x
are all real numbers greater than
or equal to
- 4. Another example follows:
49
11
5
4 9 55 11
4469
46
4
4
11
1
2
x
x
x
x
x
+
>
+>
>
>
>
both...