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232+[48x25+(10xa-82x5):100=797

Răspuns :

1200+(10*a-410):100 = 797-232
1200+(10*a-410):100 = 565
1200+(10*a-410) = 565*100
1200+(10*a-410) = 56500
10*a-410 = 56500-1200
10*a - 410 = 55300
10*a = 55300+410
10*a = 55710
a = 55710:10
a = 5571

1200+(10*a-410):100 = 797-232
1200+(10*a-410):100 = 565
1200+(10*a-410) = 565*100
1200+(10*a-410) = 56500
10*a-410 = 56500-1200
10*a - 410 = 55300
10*a = 55300+410
10*a = 55710
a = 55710:10
a = 5571