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(66-21): [(28-25)-(72:3-23)] = 5+(3+2) [2 10-(37-19)] = 92: [2 (20-19)]-84: (23-21) = (11 (78: 2+29): 2]:(1+2) = 40: (52-42) 60: [1 + (2-2)] = 2 (2010) (85-33): (1 + 3) = 82:2 (47+46): ((1+2) - 1] = [4 (7-3)+5 (6-2)]-(3-10) = (36-(3 (12:4) + (6 +19)])-8= (7+13): [(29-25) (3 + 9)-38] = (51-33): (1+5) + (23 +17): 10 =​

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