Medium Matchstick Puzzles

#276: Fix 0+5=14 medium #281: Fix 9+3=14 medium #284: Fix 1+8=1 medium #289: Fix 3+0=12 medium #290: Fix 5+0=14 medium #296: Fix 5-0=6 medium #298: Fix 8+9=18 medium #299: Fix 9+5=16 medium #301: Fix 6+5=3 medium #304: Fix 4+6=19 medium #305: Fix 2-3=6 medium #310: Fix 8+4=13 medium #315: Fix 9+1=19 medium #316: Fix 9-9=7 medium #318: Fix 8+1=7 medium #319: Fix 8-5=0 medium #320: Fix 4+5=18 medium #322: Fix 1+8=13 medium #325: Fix 5-7=5 medium #330: Fix 0+6=15 medium #333: Fix 1+7=0 medium #334: Fix 6+8=5 medium #337: Fix 7+8=13 medium #343: Fix 8+2=9 medium #347: Fix 8-1=0 medium #353: Fix 9+7=9 medium #356: Fix 3-7=4 medium #358: Fix 6-2=8 medium #361: Fix 5-7=6 medium #363: Fix 8+2=0 medium #365: Fix 8-9=1 medium #373: Fix 8+9=16 medium #374: Fix 1+9=16 medium #383: Fix 9-6=7 medium #386: Fix 9-7=6 medium #387: Fix 8+6=18 medium #388: Fix 1+6=5 medium #390: Fix 7+0=13 medium #392: Fix 3+8=13 medium #393: Fix 0-2=8 medium #397: Fix 2+1=8 medium #401: Fix 8+0=18 medium #402: Fix 1+4=17 medium #404: Fix 2-6=7 medium #412: Fix 1+0=8 medium #415: Fix 8-1=2 medium #418: Fix 1+6=12 medium #426: Fix 8+3=13 medium