1、(1)0 13 (87) 87 87 2(1) (30)(10) 5.23(0.3) 8 8 2 () (24.5)(28)8 9 7 7 1 1 ()4( )(4) 1620(3)24 3 6 (1)和-14 (2)-7和3 (3)9和-0.2 4 44 -5.9 0 9 100(-40) (-20)(-5) 3(-23) (15)0 63 (68) 68 37 20(1) (25)(7) 3.93.7(7.8) 4 2 8 () (25)(16.5)9 5 9 9 ()9( )(2) 3039(2)11 9 5 (1)和-8 (2)-9和10 (3)2和2 8 11 -0.3 2 300(
2、-90) (-10)(-6) 5(-27) (4)0 28 (40) 40 72 18(5) (9)(10) 35.5(5.8) 2 1 4 () (13.5)(27)1 3 3 3 ()2( )(1) 2230(3)13 6 8 5 (1)和-3 (2)-8和8 (3)7和-6.7 -23 -9.5 -3 780(-70) (-80)(-7) 5(-24) (4)0 44 (31) 31 56 5(8) (2)(4) 4.84.6(9.4) 2 8 8 () (4.5)(4.5)4 5 5 5 1 6 ()6( )(8) 2924(9)21 5 7 (1)和-2 (2)-4和3 (3)-8和
3、9.8 -34 -8.4 5 7 550(-60) (-10)(-1) 3(-25) (10)0 52 (15) 15 48 12(8) (21)(2) 0.64.3(9.8) 8 2 8 () (14.5)(19.5)7 3 7 7 1 9 ()1( )(1) 1925(4)18 (1)和-0.5 (2)-8和9 (3)-4和0 -3 -8.3 -5 850(-60) (-80)(-1) 2(-16) (3)0 72 (19) 19 28 18(3) (8)(17) 2.17.5(0.1) 1 4 8 () (5)(29.5)4 7 3 3 ()6( )(8) 1835(6)34 6 3 (
4、1)和-13.5 (2)-5和5 (3)-5和6.2 27 -9.6 -1 630(-40) (-10)(-2) 1(-24) (3)0 12 (24) 24 88 9(9) (7)(12) 6.75.3(6.2) 2 2 8 () (5.5)(1.5)4 5 3 3 ()9( )(1) 2240(4)27 3 7 (1)和-5.5 (2)-6和9 (3)1和2.8 17 -4 6 680(-30) (-20)(-6) 8(-11) (5)0 43 (37) 37 57 5(7) (11)(4) 8.18.5(9.1) 2 8 2 () (6)(24)6 5 7 7 ()7( )(2) 273
5、5(5)29 6 7 (1)和-5 (2)-4和6 (3)-6和7.3 -26 -5.8 4 180(-50) (-10)(-1) 1(-14) (20)0 51 (31) 31 49 5(0) (9)(19) 53(2.2) 2 4 1 () (4)(20)3 9 3 3 ()6( )(6) 1829(8)20 4 3 (1)和-0.5 (2)-8和5 (3)2和-3.2 -57 -0.6 -4 550(-70) (-50)(-5) 3(-25) (16)0 85 (51) 51 15 15(3) (7)(17) 4.91.7(2.5) 4 1 4 () (2.5)(5.5)4 7 9 9 1 2 ()9( )(6) 1225(7)16 (1)和-12 (2)-6和4 (3)6和6.4 -95 -1.5 -4 350(-70) (-50)(-4) 2(-8) (4)0 25 (64) 64 75 12(9) (15)(1) 4.83.3(0.1) 8 4 2 () (20.5)(37.5)2 ()5( )(6) 1424(9)25 (1)和-9.5 (2)-5和1 (3)-7和2 二、求下列各
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