samabake88 samabake88 06-05-2020 Mathematics contestada Stor (34 20 +27 +21 +29+19) Step 2: 34 - 25 =9 20-25=-5 27 - 25= 2 21 - 25 = -4 29 - 25 = 4 19 - 25 = -6 Step 3: 9+ (-5) + 2 + (-4) + 4+ (-6)=0 Step 4: O = 0