Question

5. Реши уравнения. 32:6-64:8 y:4-49:7 380-b-330-175 m +32= 185 - 143​

Answer 1

Ответ:

32:b=64:8

32:b=8

b=32:8

b=4

______

32:4=64:8

8=8

y:4=49:7

y:4=7

y=7•4

y=28

____________

28:4=49:7

7=7

380-b=330-175

380-b=155

b=380-155

b=225

_____________

380-225=330-175

155=155

m+32=185-143

m+32=42

m=42-32

m=10

_______________

10+32=185-143

42=42