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(48xc+ 216 ):40= 27 Metoda mersului invers


Răspuns :

(48xc+216) : 40 = 27
48xc+216=40x27
48xc+216=1080
48xc=1080-216
48xc=864
c=864:48
c=18
(48×C+216):40=27
48×C+216=27×40
48×C+216=1080
48×C=1080-216
48×C=864
C=864:48
C=18
V (48×18+216):40=
(864+216):40
1080:40=
27