Question

88. Решите уравнение:
1
1
1)
- х = 3, 75;
ха
2)
0, 25 |-х = 4, 9;
3
2​

Answer 1

(1/3+1/2)•х=3.75

1/3+1/2=1/6+1/6=2/6=1/3

1/3•х=3.75

х=3.75÷1/3

х=3 75/100÷1/3=375/100÷1/3

х=11.25