183-109+71-37

71+183+109+37

183+109-71-37

71+183+109-37

528 - 332 -219 = 23

528 + 332 + 219 = 1,079

(528 + 332) - 219 = 641

(528 + 332) + 219 = 1,079

37+59-180 = 84

180-37-59 = 84

180 - (37+59) =84

180 +27+59 = 266

1,000 + 286 - 497 = 789

1,000 + 286 + 497 = 1,783

1,000 - (286+497) = 217

(286 + 497) - 1,000 = 217