Răspunsuri

2014-11-06T18:57:11+02:00
277+7=284  284/2=142      277-142=135       142+135=277
2014-11-06T18:57:59+02:00
A+b=277
a/b=7.rest 21; a>b -->  a= 7*b+21

7*b+21+b=277 --> 8b= 277-21 = 256 --> b=256/8=32  b=32

-->  a= 7*b +21 a= 7*32 +21 a=245