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228:6+(176×5:4-180:30×12):37

Răspuns :

228:6+(176×5:4-180:30×12):37≈42

228:6+(176×5:4-180:30×12):37 =
= 38+(220-72):37 = 
= 38+148:37 =
 = 38 +4 = 42