Question

care este fractia echiunitara de forma ab+3=ba+12

Answer 1

"V" inseamna "VERIFICARE"

Answer 2

(ab+3)/(ba+12)=1
ab+3=ba+12
10a+b+3=10b+a+12
9a-9b=12-3
9(a-b)=9  /:9
a-b=1
ab={21; 32; 43; 54; 65; 76; 87; 98}

(ab+3)/(ba+12)={(21+3)/(12+12); (32+3)/(23+12); (43+3)/(34+12); (54+3)/45+12); (65+3)/(56+12); (76+3)/(67+12); (87+3)/78+12); (98+3)/89+12)}

(ab+3)/(ba+12)={24/24; 35/35; 46/46; 57/57; 68/68; 79/79; 90/90; 101/101}