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324+[28×(933÷3-10×30)]

Răspuns :

933:3 = 311
10 x 30 = 300
311-300 = 11
11 x 28 = 307
324 + 307 = 631
Scapam mai intii de parateze
933:3=311
10x30=300
311-300=11
28x11=291
324+291=615