1、一、计算题1. 2. 3.(-1.5)(-5)4. 5.6. 7. 8.9.(-3.6)(-1)0 10.25(-11)(-4)11.(9) 12.(-)5613.()(0.26) 14.(2)31(0.5)15. (4)(10)0.5(3) 16.()(1.8) 17.(0.25)()4(7) 18. ()()() 19.(8)4()(0.75) 20. 4(96)(0.25) 21. 6.868(-5)+6.868(-12)+6.8681822.(5)(13)23.24.25. 26.(-78.6)(-111)0 27. 125(-36)(-8) 28.(9) 29.()(0.26) 30
2、.(2)31(0.5) 31.(4)(10)0.5(3) 32.()(1.8) 33.(0.25)()4(7) 34.()()() 35.(8)4()(0.75)36.4(96)(0.25) 37.38.39.(5)(13) 40.(1+)56 41.()36 42.(36)()43. 25(25)25 45.(66)1()()46.(72)+72(72)()72 有理数除法1. 18(3) 2.(24)6 3.(57)(3) 4.() 5.(42)(6) 6.(+)() 7.()9 8. 0.25()9.36(1)() 10.(1)(4) 11. 3()()12. 0(3)(7) 13. 3() 14.(24)(6)15. 2(518) 16. 1(3)() 17. ()()18.()() 19.3.5 (0.5) 20.1(1)1(7) 21.() 22 (2)4 23 (3) (4) (6) 24. 1.530.750.53() 25. 1() 26. 101() 27. 8()5(0.25) 28.71(919) 29. 25+(25)25() 30.(79)2(29)