Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
14. Реши уравнение.
Ответ:
Решение:
Решаем уравнения, находя значение неизвестной переменной.
Раздел А
| Уравнение | Решение |
| \( 9 \cdot y = 72 \) | \( y = 72 : 9 \) \( y = 8 \) |
| \( c : 5 = 10 \) | \( c = 10 \cdot 5 \) \( c = 50 \) |
| \( 24 : b = 6 \) | \( b = 24 : 6 \) \( b = 4 \) |
| \( b \cdot 15 = 0 \) | \( b = 0 : 15 \) \( b = 0 \) |
| \( 60 : y = 30 \) | \( y = 60 : 30 \) \( y = 2 \) |
| \( 42 : a = 7 \) | \( a = 42 : 7 \) \( a = 6 \) |
| \( x : 14 = 14 \) | \( x = 14 \cdot 14 \) \( x = 196 \) |
| \( y : 2 = 9 \) | \( y = 9 \cdot 2 \) \( y = 18 \) |
| \( 7 \cdot a = 35 \) | \( a = 35 : 7 \) \( a = 5 \) |
| \( b \cdot 9 = 27 \) | \( b = 27 : 9 \) \( b = 3 \) |
| \( a : 9 = 3 \) | \( a = 3 \cdot 9 \) \( a = 27 \) |
| \( c \cdot 8 = 32 \) | \( c = 32 : 8 \) \( c = 4 \) |
| \( 45 : c = 5 \) | \( c = 45 : 5 \) \( c = 9 \) |
| \( 7 \cdot x = 56 \) | \( x = 56 : 7 \) \( x = 8 \) |
| \( b : 6 = 6 \) | \( b = 6 \cdot 6 \) \( b = 36 \) |
| \( 4 \cdot y = 36 \) | \( y = 36 : 4 \) \( y = 9 \) |
| \( x : 6 = 8 \) | \( x = 8 \cdot 6 \) \( x = 48 \) |
| \( a \cdot 9 = 81 \) | \( a = 81 : 9 \) \( a = 9 \) |
| \( 54 : y = 9 \) | \( y = 54 : 9 \) \( y = 6 \) |
| \( 7 \cdot c = 28 \) | \( c = 28 : 7 \) \( c = 4 \) |
| \( 49 : c = 7 \) | \( c = 49 : 7 \) \( c = 7 \) |
| \( y \cdot 8 = 64 \) | \( y = 64 : 8 \) \( y = 8 \) |
| \( 40 : x = 5 \) | \( x = 40 : 5 \) \( x = 8 \) |
| \( 10 \cdot b = 100 \) | \( b = 100 : 10 \) \( b = 10 \) |
| \( b : 7 = 9 \) | \( b = 9 \cdot 7 \) \( b = 63 \) |
Раздел Б
| Уравнение | Решение |
| \( b : 6 = 9 \) | \( b = 9 \cdot 6 \) \( b = 54 \) |
| \( a \cdot 6 = 36 \) | \( a = 36 : 6 \) \( a = 6 \) |
| \( 32 : y = 4 \) | \( y = 32 : 4 \) \( y = 8 \) |
| \( x : 8 = 8 \) | \( x = 8 \cdot 8 \) \( x = 64 \) |
| \( 9 \cdot c = 0 \) | \( c = 0 : 9 \) \( c = 0 \) |
| \( c : 8 = 9 \) | \( c = 9 \cdot 8 \) \( c = 72 \) |
| \( 8 \cdot a = 48 \) | \( a = 48 : 8 \) \( a = 6 \) |
| \( 7 \cdot x = 42 \) | \( x = 42 : 7 \) \( x = 6 \) |
| \( y : 4 = 44 \) | \( y = 44 \cdot 4 \) \( y = 176 \) |
| \( 9 \cdot c = 36 \) | \( c = 36 : 9 \) \( c = 4 \) |
| \( 63 : c = 7 \) | \( c = 63 : 7 \) \( c = 9 \) |
| \( x \cdot 9 = 18 \) | \( x = 18 : 9 \) \( x = 2 \) |
| \( a : 5 = 9 \) | \( a = 9 \cdot 5 \) \( a = 45 \) |
| \( 3 \cdot b = 18 \) | \( b = 18 : 3 \) \( b = 6 \) |
| \( c : 9 = 9 \) | \( c = 9 \cdot 9 \) \( c = 81 \) |
| \( y \cdot 6 = 24 \) | \( y = 24 : 6 \) \( y = 4 \) |
| \( 28 : x = 7 \) | \( x = 28 : 7 \) \( x = 4 \) |
| \( a : 4 = 9 \) | \( a = 9 \cdot 4 \) \( a = 36 \) |
| \( 12 \cdot y = 12 \) | \( y = 12 : 12 \) \( y = 1 \) |
| \( c \cdot 7 = 49 \) | \( c = 49 : 7 \) \( c = 7 \) |
| \( 11 \cdot b = 55 \) | \( b = 55 : 11 \) \( b = 5 \) |
| \( x : 3 = 27 \) | \( x = 27 \cdot 3 \) \( x = 81 \) |
| \( y : 8 = 7 \) | \( y = 7 \cdot 8 \) \( y = 56 \) |
| \( 35 : a = 5 \) | \( a = 35 : 5 \) \( a = 7 \) |
| \( b \cdot 8 = 24 \) | \( b = 24 : 8 \) \( b = 3 \) |
