Реши уравнения(1600+t)÷80=602000÷f-670=13301300-(d-678)=400

Question

Реши уравнения
(1600+t)÷80=60
2000÷f-670=1330
1300-(d-678)=400

Comments

(1600+t)/80=601600+t=60*801600+t =4800t=4800-1600t=32002000/f-670=13302000/f=1330+6702000/f-=2000f=2000/2000f=11300-(d-678)=400d-678=1300-400d-678=900d=900+678d=1578

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не успел

Answer 1

(1600+t)/80=60

1600+t=60*80

1600+t =4800

t=4800-1600

t=3200 


2000/f-670=1330

2000/f=1330+670

2000/f-=2000

f=2000/2000

f=1  



1300-(d-678)=400

d-678=1300-400

d-678=900

d=900+678

d=1578