Esmond

9-3÷1/3+1 Step I: -3÷1/3= -3*3/1 = -9 Now we have 9-9+1 StepII: You take positive 9 (the first 9 in the expression above) add it to 1 i.e. 9+1=10 Here we have 10-9 Step II: Finally take 10-9=1. Caution: There are 3 common mistakes that most people made wh...