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(65×502:10-c-63):3=600

Răspuns :

(65X502:10-c-63):3=600
(3263-c-63):3=600
(3200-c):3=600
3200-c=600x3
3200-c=1800
c=3200-1800
c=1400    
(65×502:10-c-63)÷3=600 (65×50,2-c-63)=600×3 3263-c-63=1800 3263-c=1800+63 3263-c=1863 c=3263-1863 c=1400