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1053÷27+71-{9+[495-8×(a+b+c))}÷5}=10

Răspuns :

Matei

39 + 71 - {9 + [495 - 8 x (a+b+c)] :5} = 10

110 - {9 + [495 - 8 x (a+b+c)] :5} = 10

9 + [495 - 8 x (a+b+c)] :5= 110 - 10 = 100

[495 - 8 x (a+b+c)] :5 = 100 - 9 = 91

495 - 8 x (a+b+c) = 91 x 5 = 455

8 x (a + b + c) = 495 - 455 = 40

a + b + c = 40 + 8 = 5