有理数计算题(100题)
一、计算题(本大题共26小题,共156.0分)
(1)(-99)+(-103) (2)(-0.25)+()
(3)()+(-2.75) (4)
(5)(-14)+(-12)+(+12)+34 (6)(+23)+(-25)+(+17)+(-14)
(7)(-2.4)+(-3.7)+(-4.6)+5.7 (8)(-)+13+(-)+17.
(9)-20+(-14)-(-18)-13???????? (10)(-5)-(-12)-(+3)+(+6)
(11)
(12)
(13)
(14)
(15)
(16)(-38)+52+118+(-62) (17).
(18)0.36+(-7.4)+0.5+(-0.6)+0.14
??????????????
(19)(-51)+(+12)+(-7)+(-11)+(+36)
(20)(-3.45)+(-12.5)+(+19.9)+(+3.45)+(-7.5)
???????
?(21)3+(-8)+(+2)+(-1)
(22)+7+(-9)+(-5)++(-4) (23)3.7-(-6.9)-9.5+(-5)
(24);
(25)36+(-8)-(-2.5)-(-6)+(+1.5);
(26).
(27)(-3)-(+16) (28)
(29) (30)-(-9)+(-6)+(-3)
(31)0-(-5)-(+6) (32)-3-(-6).
(33)(-0.8)+(+1.2)+(-0.6)+(-2.4);
(34)(-0.5)+++(+9.75);
(35)+(+15.5)++.
二、混合运算
(1)4×(-)×3-|-6|
(2)(-1)3×(-12)÷[(-4)2+2×(-5)].
(3)16÷(-2)3-(-)3×(-4)+2.5
(4)(-1)2017+|-22+4|-(-+)×(-24)
(5)6÷(-+) (6)-32+16÷(-2)×-(-1)2015.
(7)(-1)+(+)-(-3)
(8)(7-2+)×(-15)-(-2.95)×6+1.45×(-6)
(9)1-×[4-(-3)3÷(-)2]
(10)-24×(-)+(-2)3÷(1-0.8×)
(11)23×(-5)-(-3)÷;
(12)(-3)×+8×(-2)-11÷(-)
(13)(-1)2-(-1)×(-24)
(14)(-2)2-()3+[1+(-)2×(-1)].
(15)()÷()???????
???
(16)×
(17)-14-{(-3)2-[3+0.4×(-)]÷(-2)3}.
(18)-8+(+0.25)-(-9)+(-)
(19)(-3)×(-9)-8×(-5)
(20)-15÷(-)
(21)(+-)÷(-)
(22)-3÷(-1)×(-4)
(23)÷(-)+(1-0.2×)×(-3)
(24)-32-(-2)2
(25)-1×[2-(-3)2]
(26)05-(1-5)÷|-| (27)(-48)÷(-2)3-(-25)×(-4)+(-2)2
(28)(-3)×(-)÷(-1) (29)(+-)×(-12)
(30)32-50÷22×(-)-1 (31)|-|×(-5)÷|-3|
(32)10-1÷(-)÷??????????? (33)-×(-42)-(-3)3÷(-1)2009
(34)(-5)×(-7)+(+-)×(-12)
(35)-3-[-5-(1-0.2÷)÷(-2)] (36)-32×(-)2+(-+)×(-24).
(37)-18+(-14)-(-28)-13;???????????????(38)(-32)×(-+);
(39)-÷÷(-2)×(-);?????????????????(40)-14-(1-0.5)××[1-(-2)2].
(41)?
(42)
(43)23+(+76)+(-36)+(-23)
(44)-|-|-(-2)+(-)
(45)(-3)×(-5)+4-8÷(-2)
(46)-10+8÷(-2)3-(-1)2×(-3)
(47)(1-1-+)×(-24)
(48)-25÷(-4)×()2-12×(-15+24)3.
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