Face-ti-mi si mie rezolvarea la ex asta va rog:60-60x+60-30x+60-20x=60-15x-60+12x-360+60x+= va rog mult, am nevoie repede!
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60+60+60-60+60+360=60x+30x+20x-15x+12x+60x 540=167x x=540:167 ×=3,23
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60+60+60-60+60+360=60x+30x+20x-15x+12x+60x 540=167x x=540:167 ×=3,23