Question

5. Теңдеулерді шеш. 32: b= 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

y:4=49:7

y:4=7

y=7*4

y=28

380-b=330-175

380-b=155

b=380-155

b=225

m+32=185-143

m+32=42

m=42-32

m=10