1、 2538(26)15 5 7 () 2887 8 3 1 7 () 12(5)(5)7 3 6 1 0() 0.81(2)3 4 3() 202490 5 1 1 1 (5)(1)(8) 100.36.28.4 6 6 8 一、计算。(7)(9) (1.2)(48) (0.7)(1) 6 4 5 3 ()() (10)(42) (2)(8)()() (18)(6) (42)(31) 4 7 二、计算。(3)82(7) 6(10)39(4)(6) (0.4)1.9(1.5)(0.7)0.20.7 1 6 4 4 1 ()()() 5 5 5 5 2 (80)90 (6)(3) 2(3)52 5
2、5 5(2) 522 15(23) (16)(8.7) 6 2 ()() (7)6(5)(8)44 ()() (4)9(10)(4)53 3 3 7 1 2633(32)20 () 9973 7 4 () 14(19)(15)10 5 8 3 0() 3.54.2(0.5)3 2 4() 72030.3 (8)(2)(6) 4.67.34.56.4 5 5 5 (5)(1) (2)(3.3) (70)(8) 8 7 ()() (40)(24) (7)(7) 2 2 8 6 ()() (22)(14) (32)(25) 7 5 (3)410(5) 6(6)87(10)(8) (0.8)0.9(0
3、.5)(1.6)0.41.7 3 4 1 3 3 ()()() 4 3 2 2 4 (3)8 (7)(7) 2(5) 75 57 7(3) 144 14(28) (0.3)(0.8) 4 5 ()() (8)9(6)(9)103 2 1 ()() (10)2(2)(7)94 2811(41)2 3 2 () 8322 6 5 1 5 () 18(12)(3)1 0() 0.82(1.8)0.6 7 8() 0.50.2300.8 8 (1)(4)(9) 8.34.58.610 4 4 7 (4)(7) (17)(10) (0.5)(5) 2 3 ()() (12)(26) (8)(10) 5
4、5 7 3 ()() (25)(1) (5)(47)(3)38(3) 8(6)110(3)(10) (1)1.5(0.9)(1)0.91.9 3 6 2 1 1 ()()() 4 5 3 3 5 (7)4 (9)(1) 2(3)0.70.4 70 19(8) 537 39(55) (4.4)(7.4)()() (9)8(10)(7)27 4 3 ()() (1)10(6)(3)32 3145(35)19 () 7898 () 9(4)(13)6 4 6 0() 2.22.8(3.8)1.8 2() 660.490 (2)(7)(3) 5.67.7110 2 3 7 (3)(2) (8)(41) (90)(9) 8 8 ()() (35)(44) (1)(4) 6 1 ()() (28)(27) (25)(8) 5 2 (3)910(10) 5(10)73(10)(6) (0.8)2(0.8)(1.6)0.21.8 7 5 6 1 4 ()()() 6 6 5 6 5 (5)0.5 (1)(2) 3(9) 700.1 25 30(15)833 2(38) (3.9)(4.7)()() (10)1(7)(1)12 5 1 ()() (7)3(1)(8)47 7 7