1、(15)15.624(17)142143(18)(19)(20)3(21)(22)4312(23)(24)75(25)()24(26)20532656(28)()(29)411.750.4(32)()45(33)2()(34)0.31(3.32.95)(36)()()(37)()(38)()35(39)24()(41)()(43)8.64.3 (44)(0.25)(45)3.6(4.72.3)1.2(49) (50)(51)()(52)60(55)()(58)12()(59)(910 (75)(10)(77)() (78)25.12517.4(79)0.3874 (81)1712(82)()
2、(86)()(87)(20.1215.1 (88)7.65.41.95.4(89)0.2(0.15) (90)24(5(92) (95)1516(96)3.64(2.09) (97)()45 1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2) 4. 3/7 49/9 - 4/35. 8/9 15/36 + 1/27 6. 12 5/6 2/9 7. 8 5/4 + 1/4 8. 6 3/8 3/8 69. 4/7 5/9 + 3/7 5/9 10. 5/2 -( 3/2 + 4/5 )11. 7/8 + ( 1/
3、8 + 1/9 ) 12. 9 5/6 + 5/613. 3/4 8/9 - 1/3 14. 7 5/49 + 3/1415. 6 ( 1/2 + 2/3 ) 16. 8 4/5 + 8 11/517. 31 5/6 5/6 18. 9/7 - ( 2/7 10/21 )19. 5/9 18 14 2/7 20. 4/5 25/16 + 2/3 3/421. 14 8/7 5/6 12/15 22. 17/32 3/4 9/2423. 3 2/9 + 1/3 24. 5/7 3/25 + 3/725. 3/14 2/3 + 1/6 26. 1/5 2/3 + 5/627. 9/22 + 1/1
4、1 1/2 28. 5/3 11/5 + 4/329. 45 2/3 + 1/3 15 30. 7/19 + 12/19 5/6(60)101.125.935.10.85 (61)()1)(62)2.6 (63)31(65) (66)()(67)() (68)11.2512.21(69)81.25 (70)44(71)() (74)(75)(10 (77)(78)25.12517.4 (79)0.38(81) 2.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2) 4. 3/7 15/36 + 1/27 6. 1211. 7/8 + ( 1/8 + 1/9 )
5、 12. 9 8/9 - 1/3 14. 7 ( 1/2 + 2/3 ) 16. 8 5/6 5/6 18. 9/7 - ( 2/7 10/21 ) 12/15 22. 17/32 3/4 2/9 + 1/3 24. 5/7 ) (86)()5.1 (88)7.6(0.15) (90)24 (95)15(2.09) (97)()45 47.(3.21.5+2.5)1.6 1(+) 3 (1 7 (+) 5() + ()(+) 1(+)3.5 (1)4 + (+) 12(1) (1 (1)4 8 () (+)(1) 3+ + 72(+) 2+ + +7 4 (9+) + 2 30(+) + 6
6、12(+) + 4 48(+) 9+ 24(+) (+)6027 5 ()70 97 8+2 15+15(+)72 72(+) (+)9+ 30(+) (+) 5+7+5 ()24) (+) (+) (3217) (25) () 3 (2121) (99)9 ()30 4 5841 ()23513518 153 0.653 () 10 + 25 13.098.124.88 103450075 ) ()1511 37.519.52.54 3 18(+)(98)(5 (101)()(102)1010 (103)(104)7(0.352) (105)()(106)4143 (107)()(108)8.5
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