Răspuns:
Explicație pas cu pas:
b) 44*393939/(39*444444) =x
10101/10101 =x
x = 1
18a) a = b*17 +5
Pt. b=1, a = 17 +5 = 22 minim
b) a +b = 365
b*17 +5 + b = 365
18b = 360, b =20, a = 345
c) b*17 +5 - b = 165
16b = 160, b =10, a = 155
19a) x/2 =51, x = 102
b) 2*3*1/6 =6/6 = 1
5*2/100 = 10/100 = 10%