Arithmetic Operator Puzzles

#3217: 7 _ 2 _ 4 _ 7 = 7 easy #3218: 7 _ 2 _ 4 _ 9 = 5 easy #3219: 7 _ 2 _ 5 _ 5 = 13 medium #3220: 7 _ 2 _ 6 _ 4 = 10 medium #3221: 7 _ 2 _ 6 _ 2 = 11 medium #3222: 7 _ 2 _ 6 _ 2 = 19 hard #3223: 7 _ 2 _ 6 _ 4 = 17 hard #3224: 7 _ 2 _ 6 _ 7 = 14 medium #3225: 7 _ 2 _ 6 _ 7 = 3 easy #3226: 7 _ 2 _ 6 _ 8 = 13 hard #3227: 7 _ 2 _ 7 _ 7 = 15 hard #3228: 7 _ 2 _ 7 _ 7 = 13 medium #3229: 7 _ 2 _ 7 _ 3 = 6 easy #3230: 7 _ 2 _ 7 _ 5 = 10 easy #3231: 7 _ 2 _ 7 _ 6 = 12 easy #3232: 7 _ 2 _ 7 _ 8 = 16 hard #3233: 7 _ 2 _ 7 _ 9 = 18 hard #3234: 7 _ 2 _ 7 _ 6 = 3 easy #3235: 7 _ 2 _ 8 _ 4 = 8 medium #3236: 7 _ 2 _ 8 _ 4 = 6 easy #3237: 7 _ 2 _ 8 _ 2 = 18 hard #3238: 7 _ 2 _ 8 _ 4 = 16 hard #3239: 7 _ 2 _ 8 _ 2 = 10 medium #3240: 7 _ 2 _ 8 _ 4 = 12 medium #3241: 7 _ 2 _ 8 _ 8 = 13 hard #3242: 7 _ 2 _ 8 _ 2 = 14 medium #3243: 7 _ 2 _ 8 _ 8 = 20 hard #3244: 7 _ 2 _ 8 _ 9 = 19 hard #3245: 7 _ 2 _ 9 _ 3 = 13 hard #3246: 7 _ 2 _ 9 _ 6 = 10 medium #3247: 7 _ 2 _ 9 _ 3 = 1 easy #3248: 7 _ 2 _ 9 _ 6 = 4 easy #3249: 7 _ 2 _ 9 _ 9 = 15 hard #3250: 7 _ 2 _ 9 _ 9 = 13 hard #3251: 7 _ 3 _ 2 _ 8 = 19 hard #3252: 7 _ 3 _ 2 _ 4 = 1 easy #3253: 7 _ 3 _ 2 _ 8 = -5 medium #3254: 7 _ 3 _ 2 _ 2 = 20 hard #3255: 7 _ 3 _ 3 _ 9 = 8 medium #3256: 7 _ 3 _ 3 _ 9 = 6 medium #3257: 7 _ 3 _ 3 _ 3 = 20 hard #3258: 7 _ 3 _ 4 _ 6 = 9 easy #3259: 7 _ 3 _ 4 _ 8 = 13 hard #3260: 7 _ 3 _ 4 _ 2 = 1 easy #3261: 7 _ 3 _ 4 _ 6 = 5 easy #3262: 7 _ 3 _ 4 _ 8 = 1 easy #3263: 7 _ 3 _ 6 _ 9 = 9 medium #3264: 7 _ 3 _ 6 _ 4 = 9 easy