What I know Direction: Read the following items carefully. Encircle the letter of the correct answer A Comoute the sum or difference: 3.8.47 4.9.73 1.5.18 2. 12.827 3.454 2.64 -5.11 - 5.605 - 5. 53.405 - 27 3 = 6. 15.96 - 1.15 -0.15 + 12 = ty 7. 46.96 - 3.98 = 8. 117.95 + 186.05 + 1 756.3 + 184.57 =​