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1000:[(11c+238):2-5]=8.Calculeaza

Răspuns :

1000:[(11c+238):2-5]=8
[(11c+238):2-5] = 1 000:8
(11c+238):2 -5 = 125
(11c+238):2 = 125+5
(11c+238 ):2 = 130
11c+238 = 130×2
11c+238 = 260
11c = 260-238
11c = 22
c = 22:11
c = 2