ПОМОГИТЕ ПОЖАЛУЙСТА ПЛИИИИЗ ПОПОДРОБНЕЕ ПОЖАЛУЙСТА

1) (52) - (32) = (25 2) - (9 2) = 50 - 18 = 32

2) (1/3) + (23/18) = 1/9 + 12/ 324 = 1/9 + 1/27 = 3/27 + 1/27 = 4/27

3) (a a) : a =( a) : a =a : a = a =a = 1/a =1 : (1/3)

= 1 : 1/27 =27

4) ( a) : a = a : a = a = a = 1 : a = 1 : ( -1/2) = 1: 1/16 = 16

5) 36 - 49 = 6 - 7 = - 1

6) 36 49 = 6 7 = 42

7) 50 ( - 1/5 2) = 50 1/25 2 = 4

8) ( - 35) + 5(12) - (75) = 9 5 + 5 12 - 49 5 = 5 (9 + 12 - 49) =

= 5 ( - 28) = - 140

9) 3+36 = 3+6 = 9 = 3

10) 72 -64 = 72 - 8 = 64 = 8

11) 45-6 = 425-36 = 100-36 = 64 = 8

12) ( 35) : 15 =( 9 5) : 15 = 45 : 15 = 3

13) 6 : (23) = 6 : (4 3) = 6 : 12 = 1/2

14) (3) : 18 = 3 : 18 = 1/6