Question

решите уравнение 320/(b*8-40)=10 за 3 класс

Answer 1

320:(в*8-40)=10
в*8-40=320:10
в*8-40=32
в*8=40+32
в*8=72
в=72:8
в=9

Answer 2

320:(b•8-40)=10
(b•8-40)=320:10
(b•8-40)=32
b•8=32+40
b•8=72
b=72:8
b=9