Easy Arithmetic Puzzles

#3479: 7 _ 8 _ 3 _ 4 = 1 easy #3480: 7 _ 8 _ 3 _ 6 = 3 easy #3485: 7 _ 8 _ 4 _ 3 = 1 easy #3486: 7 _ 8 _ 4 _ 5 = -3 easy #3500: 7 _ 8 _ 4 _ 7 = 7 easy #3501: 7 _ 8 _ 4 _ 8 = 6 easy #3502: 7 _ 8 _ 4 _ 9 = 5 easy #3504: 7 _ 8 _ 5 _ 4 = -3 easy #3510: 7 _ 8 _ 6 _ 3 = 3 easy #3518: 7 _ 9 _ 2 _ 3 = 1 easy #3521: 7 _ 9 _ 3 _ 2 = 1 easy #3535: 7 _ 9 _ 4 _ 6 = 1 easy #3539: 7 _ 9 _ 6 _ 4 = 1 easy #3542: 7 _ 9 _ 7 _ 3 = 3 easy #3545: 8 _ 1 _ 2 _ 8 = 4 easy #3547: 8 _ 1 _ 3 _ 9 = 5 easy #3548: 8 _ 1 _ 4 _ 8 = 6 easy #3550: 8 _ 2 _ 2 _ 4 = 7 easy #3555: 8 _ 2 _ 2 _ 3 = -2 easy #3559: 8 _ 2 _ 2 _ 5 = 10 easy #3562: 8 _ 2 _ 3 _ 6 = 4 easy #3563: 8 _ 2 _ 3 _ 9 = 2 easy #3566: 8 _ 2 _ 3 _ 2 = -2 easy #3571: 8 _ 2 _ 3 _ 2 = 6 easy #3575: 8 _ 2 _ 3 _ 6 = 6 easy #3576: 8 _ 2 _ 3 _ 6 = 2 easy #3578: 8 _ 2 _ 3 _ 7 = 5 easy #3580: 8 _ 2 _ 3 _ 8 = 4 easy #3581: 8 _ 2 _ 3 _ 9 = 3 easy #3584: 8 _ 2 _ 4 _ 8 = 7 easy #3585: 8 _ 2 _ 4 _ 2 = 7 easy #3586: 8 _ 2 _ 4 _ 6 = 5 easy #3589: 8 _ 2 _ 4 _ 3 = 1 easy #3591: 8 _ 2 _ 4 _ 4 = 1 easy #3592: 8 _ 2 _ 4 _ 5 = -1 easy #3594: 8 _ 2 _ 4 _ 6 = -2 easy #3596: 8 _ 2 _ 4 _ 7 = -3 easy #3609: 8 _ 2 _ 5 _ 2 = 10 easy #3617: 8 _ 2 _ 6 _ 4 = 5 easy #3627: 8 _ 2 _ 6 _ 8 = 3 easy #3629: 8 _ 2 _ 6 _ 9 = 6 easy #3636: 8 _ 2 _ 8 _ 4 = 7 easy #3639: 8 _ 2 _ 8 _ 3 = 6 easy #3640: 8 _ 2 _ 8 _ 5 = 10 easy #3643: 8 _ 2 _ 8 _ 6 = 3 easy #3646: 8 _ 2 _ 9 _ 3 = 2 easy #3647: 8 _ 2 _ 9 _ 6 = 5 easy #3651: 8 _ 2 _ 9 _ 6 = 6 easy