a. (–12.560) + (-39. 648) + (-19.000) + (-24.851) = b. (–1.717) + 29.149 + (-3.913) + (-51.510) + 10.000 = c. 105 – (– 95) = d. 79 - 614 = e. (-431) – (-823) – 112 – (-967) = f. 65.567 – (-21.887) – 67.022 – (-6.500) – 98.456= g. –811) × (–15) = h. 18 × (–726) × (–17) = i. (–49) × (–122) × (–163) = j. (– 63.325) ÷ 85 = k. (– 26.224) ÷ (– 44) = l. (– 40.320) ÷ 96 =