Răspuns :
Răspuns:
1200+250-a=1400. 1450-1400=a. a=50
531+a+347=960. a=960-531-347. a=82
4a=16 a=16/4 a=4
Răspuns:
1200+250-a=1400
1450-a=1400
a=1400-1450
a= -50
531+a+347=960
531+a=960-347
531+a=613
a=613-531
a=82
a*4=16
a=16:4
a=4
Răspuns:
1200+250-a=1400. 1450-1400=a. a=50
531+a+347=960. a=960-531-347. a=82
4a=16 a=16/4 a=4
Răspuns:
1200+250-a=1400
1450-a=1400
a=1400-1450
a= -50
531+a+347=960
531+a=960-347
531+a=613
a=613-531
a=82
a*4=16
a=16:4
a=4