Вычислите. Тип 3

3.1 −8 + (−6) + 8 + 6 + (−9) = −14 + 14 − 9 = −9 3.2 −9 + 8 + 2 + 3 + (−8) = −1 + 5 + 3 − 8 = −1 3.3 2 + (−3) + 3 + 3 + (−7) = −1 + 6 − 7 = −2 3.4 1 + 1 + (−9) + 6 + 9 = 2 − 9 + 15 = 8 3.5 −8 + (−4) + 8 + 4 + (−4) = −12 + 12 + (−4) = −4 3.6 2 + (−2) + (−2) + 2 + 0 = 0 + 0 + 0 = 0 3.7 6 + (−6) + 9 + (−1) + 1 = 0 + 9 + 0 = 9 3.8 3 + (−7) + (−3) + (−4) + 8 = −4 + (−7) + 8 = −11 + 8 = −3 3.9 0 + 4 + (−10) + (−10) + 4 = 4 − 20 + 4 = −12 3.10 −5 + (−5) + 2 + (−3) + (−2) = −10 + 2 − 5 = −13 3.11 98 + 70 + (−98) + 98 + 40 = 0 + 70 + 138 = 208 3.12 24 + (−24) + (−96) + (−24) + 52 = 0 + (−96) + 28 = −68 3.13 34 + (−48) + (−90) + (−90) + 2 = −14 + (−180) + 2 = −192 3.14 55 + (−33) + (−55) + 48 + (−97) = 0 + (−33) + 48 − 97 = 15 − 97 = −82 3.15 −52 + (−8) + 3 + (−10) + 51 = −60 + 3 − 10 + 51 = −57 + 41 = −16 3.16 58 + (−30) + 55 + (−58) + 61 = 0 + (−30) + 55 + 61 = 86 3.17 83 + (−83) + 1 + (−73) + (−40) = 0 + 1 − 73 − 40 = −112 3.18 34 + (−60) + (−2) + (−2) + (−43) = −26 + (−4) − 43 = −73 3.19 27 + 19 + (−55) + (−55) + 19 = 46 − 110 + 19 = −45 3.20 99 + (−5) + (−70) + 0 + 70 = 94 + 0 = 94