Номер 364

Розв’яжи рівняння.
45 : x = 1;
x = 45 : 1;
x = 45;
45 : 45 = 1;
1 = 1.

38 · x = 38;
x = 38 : 38;
x = 1;
38 · 1 = 38;
38 = 38.

42 : x = 42;
x = 42 : 42;
x = 1;
42 : 1 = 42;
42 = 42.

36 – x = 1;
x = 36 – 1;
x = 35;
36 – 35 = 1;
1 = 1.

x : 34 = 1;
x = 1 · 34;
x = 34;
34 : 34 = 1;
1 = 1.

x · 54 = 54;
x = 54 : 54;
x = 1;
1 · 54 = 54;
54 = 54.

x – 34 = 34;
x = 34 + 34;
x = 68;
68 – 34 = 34;
34 = 34.

24 + x = 24;
x = 24 – 24;
x = 0;
24 + 0 = 24;
24 = 24.