1、(1)和-3.5 (2)-7和6 (3)4和-4.2 5 -3 -5.1 -1 3 410(-10) (-80)(-2) 1(-1) (10)0 29 (43) 43 71 9(0) (6)(11) 1.64.7(2) 8 1 1 () (25)(26)8 3 9 9 1 1 ()4( )(1) 1830(5)36 5 7 (1)和-4 (2)-6和9 (3)-6和-4.1 43 -4.1 -3 4 870(-60) (-50)(-8) 3(-20) (10)0 58 (55) 55 42 3(8) (5)(5) 7.65.2(7.6) 1 1 8 () (26.5)(6.5)6 5 3 3
2、1 5 ()3( )(7) 2020(7)12 7 4 (1)和-11 (2)-4和2 (3)-1和0.1 16 -9.5 -10 9 160(-30) (-80)(-6) 3(-4) (19)0 63 (34) 34 37 20(5) (13)(8) 2.77.7(5.4) () (22)(28.5)6 7 7 7 ()5( )(1) 3034(1)11 7 8 (1)和-2.5 (2)-5和8 (3)8和-1.2 -57 -9.9 8 850(-20) (-60)(-2) 7(-8) (10)0 55 (17) 17 45 16(10) (12)(19) 11.9(4) 2 4 1 ()
3、(14)(37.5)3 3 5 5 1 6 ()8( )(9) 2025(4)16 (1)和-8 (2)-7和9 (3)-7和9.7 7 3 -8.6 2 620(-80) (-80)(-7) 1(-21) (13)0 61 (39) 39 39 20(9) (20)(19) 6.16.7(6.5) 8 8 8 () (16)(9.5)9 9 5 5 ()8( )(4) 1538(2)21 2 6 (1)和-3.5 (2)-10和9 (3)-6和-3.7 80 -0.8 8 140(-10) (-10)(-8) 3(-9) (2)0 45 (13) 13 55 2(5) (11)(11) 8.
4、19.8(4.8) 1 8 1 () (22.5)(7.5)3 9 9 9 ()8( )(4) 1231(4)15 6 5 (1)和-2 (2)-1和4 (3)-4和-1.9 -9 -9.2 -8 460(-70) (-40)(-4) 6(-22) (5)0 33 (86) 86 67 17(2) (7)(6) 2.83.9(7.7) 8 4 8 () (26.5)(12)3 9 3 3 ()8( )(5) 1223(8)18 9 6 (1)和-5 (2)-1和4 (3)3和-8.4 -12 -3.3 -9 2 300(-70) (-80)(-2) 7(-13) (20)0 46 (65) 6
5、5 54 13(0) (21)(20) 6.27.1(4.5) 4 2 8 () (15.5)(22)6 3 3 3 ()7( )(9) 1519(9)38 7 6 (1)和-3.5 (2)-10和8 (3)-4和1.2 93 -8 -9 590(-60) (-50)(-4) 4(-14) (20)0 89 (53) 53 11 17(7) (8)(17) 5.89.9(3.3) 1 2 4 () (13)(3)6 ()4( )(1) 1023(4)18 6 7 (1)和-11.5 (2)-7和5 (3)3和2.2 -76 -4.9 5 500(-20) (-10)(-2) 6(-21) (1
6、4)0 23 (63) 63 77 18(4) (17)(19) 4.41.2(5.1) () (23.5)(3.5)8 7 5 5 ()1( )(3) 1122(7)14 6 8 (1)和-4 (2)-4和2 (3)-9和-3.2 -78 -2.9 2 180(-40) (-20)(-8) 10(-24) (12)0 19 (84) 84 81 11(10) (6)(8) 2.20.9(2.6) 4 4 2 () (10)(36.5)9 ()6( )(4) 2927(8)24 8 6 (1)和-1.5 (2)-4和7 (3)9和7.3 25 -3.8 3 800(-90) (-70)(-6)
7、 4(-20) (14)0 78 (19) 19 22 1(3) (27)(19) 4.12.5(7.1) 4 8 4 () (12.5)(19.5)1 7 3 3 ()1( )(1) 1635(1)10 (1)和-1.5 (2)-6和2 (3)-9和2.9 6 -6.5 -1 200(-20) (-90)(-4) 2(-21) (8)0 21 (71) 71 79 1(1) (10)(3) 0.72.6(8.3) () (21)(12)3 ()3( )(4) 1835(8)25 (1)和-8 (2)-2和6 (3)-2和3.3 -94 -1.7 -10 450(-80) (-50)(-1)
8、7(-10) (14)0 40 (67) 67 60 6(7) (4)(9) 1.20.1(5.3) 1 4 4 () (14)(39.5)8 5 5 5 1 3 ()7( )(2) 1631(8)34 4 4 (1)和-2.5 (2)-5和10 (3)7和3.2 -53 -7.7 2 610(-50) (-10)(-4) 6(-10) (15)0 27 (10) 10 73 4(3) (6)(1) 9.20.3(6.6) 4 8 2 () (18)(35.5)2 ()1( )(6) 2625(9)10 9 3 (1)和-1 (2)-7和10 (3)1和-5.1 23 -1.9 -6 720(
9、-70) (-10)(-5) 4(-2) (18)0 30 (89) 89 70 18(2) (18)(13) 4.60.2(4.1) 1 8 8 () (7)(35)8 1 4 ()3( )(3) 3012(1)15 5 3 (1)和-5 (2)-3和7 (3)3和-4.4 -20 -8.4 1 150(-80) (-50)(-2) 8(-10) (20)0 37 (79) 79 63 10(0) (10)(11) 0.48.3(4.9) 8 2 4 () (19)(8.5)8 ()8( )(8) 2236(7)34 3 4 (1)和-0.5 (2)-3和5 (3)3和-3.5 -56 -4.4 2 720(-30) (-80)(-9) 10(-24) (12)0 10 (56) 56 90 19(10) (9)(3) 4.35.1(6.4) 8 1 2 () (15.5)(24)7 ()9( )(4) 2612(4)25 9 8
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