Question

5. Теңдеулерді шеш.
32 :b = 64:8
у:4 = 49:7
380 - b = 330 - 175
т + 32 = 185 - 143​

Answer 1

32:b=64:8
32:b=8
b=32:8
b=4

y:4=49:7
y:4=7
y=4*7
y=28


380-b=330-175
380-b=155
b=380-155
b=225

т+32=185-143
т+32=42
т=32+42
т=74