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Să se efectuează:
{1+7×[(2la60-25la5):(8la20-5la10)+2la3]-3la0}:3-3


Răspuns :

21×2la60-21×25la5-21×8la20+21×5la10+21×8-3
21×2la60-21×976565-21×8la20+21×5la10+168-3
21×2la60-205078125-21×8la20+21×5la10+168-3
21×2la60-205077957-21×8la20+21×5la10+168-3
21×2la60-205077957-21×8la20+21×9765625-3
21×2la60-205077957-21×8la20+205078125-3
21×2la60+168-21×8la20-3
21×2la60+165-21×8la20
165
Vezi imaginea ADREEAAAHFJTBD