No such thing ,But what you can do is is go on Cymath and it will help you solve it
Answer:
(1.37) AUB = { 1,2,3,4,5,6}
(1.38) AUC = { 1,2,3,4,5 }
(1.39)BUC = { 1,2,3,4,5,6}
(1.40) { 2,4 }
(1.41) { 1,3,5 }
(1.42) { phi }
(1.43) AU(BUC) = { 1,2,3,4,5,6 }
(1.44) { phi }
(1.45) {1,2,3,4,5}
(1.46) { 1,2,3,4,5 }

Answer:
27,77
1 saatte 3600 saniye var
100 km de 100.000 metre yapar o halde
100.000/3600 = 27,77 m/sn yapar
alıntıdır (◍•ᴗ•◍)
21-3= 18 and 18 divided by 6 equals 3 so v=3