(6,28 + 9 4/5 ) × 7,24 - 120% =

(6,28+9 4/5)×7,24-120℅ = (6,28+36/5)×7,24-120/100=6,28+(7,2×7,24)-120/100=6,28+52,128-(120/100)=(6,28+52,128)-6/5=58,408-6/5=10,49

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