Easy Arithmetic Puzzles

#528: 2 _ 2 _ 4 _ 6 = 7 easy #529: 2 _ 2 _ 4 _ 6 = -5 easy #530: 2 _ 2 _ 4 _ 7 = 8 easy #536: 2 _ 2 _ 4 _ 2 = 9 easy #538: 2 _ 2 _ 4 _ 2 = -7 easy #540: 2 _ 2 _ 5 _ 2 = -9 easy #541: 2 _ 2 _ 6 _ 4 = 5 easy #542: 2 _ 2 _ 6 _ 3 = 8 easy #543: 2 _ 2 _ 6 _ 9 = 6 easy #547: 2 _ 2 _ 8 _ 4 = 1 easy #548: 2 _ 2 _ 8 _ 2 = 1 easy #551: 2 _ 2 _ 9 _ 6 = 5 easy #553: 2 _ 2 _ 9 _ 6 = -1 easy #554: 2 _ 2 _ 9 _ 6 = 6 easy #557: 2 _ 3 _ 2 _ 4 = -4 easy #558: 2 _ 3 _ 2 _ 2 = 7 easy #559: 2 _ 3 _ 2 _ 6 = 8 easy #560: 2 _ 3 _ 3 _ 9 = 3 easy #561: 2 _ 3 _ 3 _ 3 = 7 easy #563: 2 _ 3 _ 4 _ 2 = -4 easy #566: 2 _ 3 _ 5 _ 5 = 7 easy #568: 2 _ 3 _ 6 _ 8 = 6 easy #569: 2 _ 3 _ 6 _ 8 = -2 easy #570: 2 _ 3 _ 6 _ 1 = 2 easy #571: 2 _ 3 _ 6 _ 2 = -1 easy #572: 2 _ 3 _ 6 _ 3 = -2 easy #573: 2 _ 3 _ 6 _ 4 = 5 easy #574: 2 _ 3 _ 6 _ 5 = -4 easy #575: 2 _ 3 _ 6 _ 6 = -5 easy #576: 2 _ 3 _ 6 _ 7 = 8 easy #582: 2 _ 3 _ 6 _ 1 = 3 easy #583: 2 _ 3 _ 6 _ 2 = 6 easy #584: 2 _ 3 _ 6 _ 5 = 9 easy #585: 2 _ 3 _ 6 _ 5 = -1 easy #587: 2 _ 3 _ 6 _ 6 = 10 easy #589: 2 _ 3 _ 6 _ 7 = -3 easy #593: 2 _ 3 _ 6 _ 9 = 1 easy #594: 2 _ 3 _ 7 _ 7 = 7 easy #597: 2 _ 3 _ 8 _ 6 = 6 easy #599: 2 _ 3 _ 8 _ 6 = -2 easy #601: 2 _ 3 _ 8 _ 8 = 7 easy #602: 2 _ 3 _ 8 _ 2 = 2 easy #603: 2 _ 3 _ 8 _ 4 = 4 easy #605: 2 _ 3 _ 9 _ 3 = 1 easy #607: 2 _ 3 _ 9 _ 1 = 5 easy #609: 2 _ 3 _ 9 _ 2 = 4 easy #610: 2 _ 3 _ 9 _ 2 = 3 easy #611: 2 _ 3 _ 9 _ 4 = 2 easy