Matchstick Puzzles

#145: Fix 9+9=76 hard #146: Fix 1+3=6 easy #147: Fix 8+1=0 easy #148: Fix 6+2=2 easy #149: Fix 7-6=12 hard #150: Fix 5+3=6 easy #151: Fix 9+4=72 hard #152: Fix 9-9=6 easy #153: Fix 4+2=7 easy #154: Fix 9+4=15 medium #155: Fix 4+6=16 medium #156: Fix 3+6=11 easy #157: Fix 4-4=9 easy #158: Fix 4-9=4 easy #159: Fix 1+6=73 hard #160: Fix 7+3=16 medium #161: Fix 8+8=19 medium #162: Fix 8+0=6 hard #163: Fix 6+9=6 easy #164: Fix 6-2=3 easy #165: Fix 7+3=19 medium #166: Fix 6-1=3 easy #167: Fix 9-7=18 hard #168: Fix 3-3=2 easy #169: Fix 4-8=72 hard #170: Fix 6-3=4 easy #171: Fix 3-6=3 easy #172: Fix 3+0=9 easy #173: Fix 7-1=9 easy #174: Fix 2+8=19 medium #175: Fix 3-3=8 hard #176: Fix 8+1=75 hard #177: Fix 5-1=6 medium #178: Fix 8+0=76 hard #179: Fix 5+9=5 easy #180: Fix 0-5=6 medium #181: Fix 6-8=5 medium #182: Fix 8+2=11 easy #183: Fix 5-8=11 hard #184: Fix 9+1=6 hard #185: Fix 1-7=2 medium #186: Fix 3+5=10 easy #187: Fix 6+1=8 medium #188: Fix 2+7=6 easy #189: Fix 7-5=4 easy #190: Fix 5-5=7 medium #191: Fix 8-2=9 easy #192: Fix 6+5=5 easy