the value of ( 0.2 × 0.2 + 0.01 ) ( 0.1 × 0.1 + 0.02 ) - 1 is equal to
"solution given expression ( 0.2 × 0.2 + 0.01 ) / ( 0.1 × 0.1 × + 0.02 ) = 0.04 + 0.01 / 0.01 + 0.02 = 0.05 / 0.03 = 5 / 3 . answer a"
multiply(0.2, add(add(0.2, 0.1), 0.02))