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Evagaby
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ajutatima sa rezolv: [(20+339:3+a:4)×7-5×400]:3-22×3+125×8=1000

Răspuns :

Assan123
[(20+113+a:4)x7-2000]:3-66+1000=1000
[(133+a:4)x7-2000]:3-66=0
[(133+a:4)x7-2000]:3=66
(133+a:4)x7-2000=198
(133+a:4)x7=2198
133+a:4=314
a:4=181
a=724
Aurelcraciun59
[(20+339/3+a/4)*7-5*400]/3-22*3+125*8=1000
[(20+339/3+a/4)*7-5*400]/3-22*3+125=125
[(20+339/3+a/4)*7-5*400]/3-22*3=0
[(20+113+a/4)*7-2000]/3-66=0
[(133+a/4)*7-2000]/3=66
[(133+a/4)*7-2000]=198
 (133+a/4)*7=2198
 133+a/4=314
 a/4=181
a=181*4
 a=724               

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