v×t =(v+10)×(t+0,5)
vt+vt++0,5v++10t=200-5
2vt+10t+0,5v=195
vt=100, t=100/v
200+1000/v+0,5v=195
1000/v +0,5v=-5
1000+0,5v^2=5v
5v - 0,5v^2 =1000
v-0,1v^2 = 200
Дальше считай сам
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Answers & Comments
v×t =(v+10)×(t+0,5)
vt+vt++0,5v++10t=200-5
2vt+10t+0,5v=195
vt=100, t=100/v
200+1000/v+0,5v=195
1000/v +0,5v=-5
1000+0,5v^2=5v
5v - 0,5v^2 =1000
v-0,1v^2 = 200
Дальше считай сам