Răspuns:
26 rate
431 gaste
543 gaini
Explicație pas cu pas:
gaini + rate + gaste = 1 000
rate + gaste = 457
gaste = 457 -rate
gaini + rate= 569
gaini = 569 - rate
569 - r + r+ 457-r =1000
569+457-1000 = r+r-r
1026 - 1000 = r
26 = rate
457-26 = 431 gaste
569-26= 543 gaini
26 + 431 + 543 = 1000