a) 80 – (4 . 52 – 3 . 23)
b) 56 : 54 + 23 . 22 – 12017
c) 125 – 2 . [56 – 48 : (15 – 7)]
d) 23 . 75 + 25 . 10 + 25 . 13 + 180
e) 2 448 : [119 – (23 – 6)]
f) [36 . 4 – 4 . (82 – 7 . 11)2 : 4 – 20160
g) 303 – 3 . {[655 – (18 : 2 + 1) . 43+ 5]} : 100
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