Răspunsuri

2014-11-02T15:29:06+02:00
Se rezolva prin metoda mersului invers:
295+a= 425x4
295+a=1700
a=1700-295
a=1405
2014-11-02T15:30:32+02:00
(295 + a ) : 4 =425 ; 295 +a = 425 × 4 ; 295 + a = 1700 ; a = 1700 - 295 ; a = 1405