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(65×502:10-c-63):3=600


Răspuns :

[tex](65*502:10-c-63):3=600 \\ 32630:10-c-63=1800 \\ 3263-c=1863 \\ c=3263-1863 \\ c=1400 [/tex]
(32 630:10-c-63):3=600
(3 263-c-63):3=600
(3 263-c-21=600
3 263-c=600+21
           =621
c=3 363+621
 =3984