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Andreeavasile53
a fost răspuns

18•x+24=150

225:x+43=68

x:24+56=80

Răspuns :

18x+24=150/-24
18x=126/:18
x=7

225:x+43=68/-43
225:x=25/×225
x=5625

x:24+56=80/-56
x:24=24/×24
x=576

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