Page 177 - 5.3.3

special-edu.kz.
special-edu.kz.

646. Ðåøèòå óðàâíåíèÿ: special-edu.kz.

11 1 8
1) 15 x  77; 4) 5 3 8 x  9 ;
special-edu.kz. x  92; special-edu.kz. special-edu.kz.

2
4
23
6 y 
5) 3
;
2)
5
28
5
3) 15 x  25; 6) 9 1 1 y  4 1 .
64 2 4

647. Âû÷èñëèòå, ïðèìåíÿÿ ðàñïðåäå-
special-edu.kz. 1  2 3 3  3 4  1 3 special-edu.kz. ; special-edu.kz.
ëèòåëüíîå ñâîéñòâî óìíîæåíèÿ:

1
1
5
3
1
1 


1
1) 3
;
3)
9
9
6
6
4
2 5 2 3 33 3 1
2) 1 2  1   ; 4) 1  .
5 7 5 1 4 85 5 8
648. Óïðîñòèòå âûðàæåíèÿ. Âû÷èñëèòå
special-edu.kz. 1 a ïðè a  14; special-edu.kz.
special-edu.kz.
çíà÷åíèÿ âûðàæåíèé:
3
1
1) 6 a 
7

5 2 3
2) 8 3b  b ïðè b  ;
9 5

175
special-edu.kz. special-edu.kz. special-edu.kz.