Răspuns :
ab+ac=420 b+c=14 2a+(b+c)=420 2a+14=420 2a=420-14=406 a=406:2= 203 a=203
Rezolvare:
ab+ac=420
ab+ac=420-14
ab+ac=406
a:406:2=?
a=203
㏒㏒㏒㏒
Mult noroc!
ab+ac=420
ab+ac=420-14
ab+ac=406
a:406:2=?
a=203
㏒㏒㏒㏒
Mult noroc!