有理數(shù)混合運(yùn)算專題訓(xùn)練100題及答案詳解

1、實(shí)用標(biāo)準(zhǔn)文案七年級(jí)上數(shù)學(xué)專題訓(xùn)練有理數(shù)混合運(yùn)算100題姓名:精彩文檔實(shí)用標(biāo)準(zhǔn)文案8.9.3 21 14 74210.22 15-13x 034x-+-x(-13)x03437 372. 5 _225x±_5475 7 12 3IL (-13)x(-134)xx(-)223971113. 0.8 x一 + 4,8x()-2.2+ + 0.8x 此(-4-)-(-5-)+(*-)-3-117711824813. (一 16 50+3) + (2)1_A4-1)x(-15x4)6 20 5 1214. (0.5) (3 ) + 6.755 425.73()x x (-2,4)18 7219

2、15, 178-87.21 + 43+ 53 127921216.3 412 號(hào) (凸xt(-5_)7 7716. (-6) x (-4) + (-32) -(-8) 3精彩文檔7.15-(l-x-+3-)-r(-l-)24 52818. (一 9)x(T)+ (-60) + 1219. ()1+ .()147 2142220. | -31 4-10 ( 15) x 3375121. -1x() 2 ；5 32 162322. (2； 3： +1 3士(-1 !)x(-7) J2 loO323. 2x(8-21-0.04)324. -I5-(-0.4)x(-2.5)"1325. (I

3、)"5 (1 0.5)x -26. |5 7 +15 (7)| + |(-243) +(246)| j91238, (-27一)29 ( H )x(24)11234 12r 827 .9、,、4、9, 3+ ()(3)1110115f ( (0. (+0,125)+ 3- + -3- + 11- +(-0.25)1. 211x(口55) + 365x455-211x545 + 545x3652. -110 -) x 9 - (-3)2 + - 314 1223. (T)'-：)乂|-2-(一3門一 ：一。.5*1 joX-25 1 74. 1L*1) x 24 +(5)L 1

4、3 8 6 12J(1、，(35. 117x0.125 (L2)x 1 32) 13/精彩文檔' 1:"1,2x|-3 + 1|36.2342x(-) +(-)-5-(-0.25)實(shí)用標(biāo)準(zhǔn)文案37.738.(+$ + (425I *o39.50. -2,哈(T)x(-7 + 5)40. 3x(-2)3-4x(-3)2+851, (-1)10x23+(-2)324L (-1)10x22+(-2)3-?252. 8 2=(-4)x(-7 + 5)7530-(- + -)xt-36)4-(-5)精彩文檔46. (_2) 2003 + (-2)200242, _22_(_2)553.

5、 (-3)2x- + (-)-(-6)2-r407_2、(2243. 1一一 x 2 3)2 44. (一10)2*(7一(3 + 3之)><254. 2(10.5x4?)55.-2-xl-(+3-)3 + (+22-)3-2-xl5 3522 356. 9+5x(-3)r-2尸年 445. (1)4-(1-0,5)x1x2-(-2)257. (-5)3x2-(-6)-300-5實(shí)用標(biāo)準(zhǔn)文案22158. 33959. 124x(3-10)4-460. 2x(3r-4x(-3)+154369. 2+|1 - 3：x2|1(31313二70. 1Jx- +524(864)46L 1”

6、x 2(3)1 67L62. 3+5022x(-)-1 55 2 3(r +)x(-12)12 3 463.94 16 , 3一2 丁 (一/72. 16-(-2)3-(-1)x(l) o64,/ 1V 025、I 2J+|泊卜(-V73. (一！-3+(-3+(-2)2乂(-14)6壬12«產(chǎn)374. 3 5 + (1- 0-2 x ) -s- (2)66. 83x( _I (4)411 * h1x2 2x399x100精彩文檔45x(-76.67.實(shí)用標(biāo)準(zhǔn)文案77. 12-4x(3-10)(4-9)78. -5 + (-2>一24號(hào)(-2>79. 24 + 16 +

7、( 亍(10)80. (5 + 3 -；) + (2) + (3)一381. 4-(-2)3-33(-1)31 282. -x-33x(-)2-231 283. 9 + 3 + ( )* 12 + 322 384. (- -) x (-34) - - x 17 - x (-6) 232323 5 ( 5585. 1 X ' x 2 + x2 1 7)2 2) 7精彩文檔86, (-2尸x(-1)L3x-87. 23-32-(-4)x(-9)x088. 45x( y 289, -8-3x(-|)3-(-1)490. -234-x(-)2 9391. 1 xfl2 (3)292. _7&q

8、uot;(-5)-90r-15)2393. 42x( )+()-2-(0,25) 34(11 7 3 13、/ q(12 6 4 24) 1795. (-370)X(-：) + 025 x 24.5 153 25%96. 3 X 1 4 1 5J實(shí)用標(biāo)準(zhǔn)文案精彩文檔(5 197, (-2)x(-5 )x +- x i -30)I 6J12；41x x (1.5 1x1 一15 i 7 399.1、-8+I-0.04 x3)<_3100.(_8)x _8_ +(_7)x _8一 _15x8一I 7J 7 J 77)實(shí)用標(biāo)準(zhǔn)文案參考答案58559910560,41427-10259 -1334-2-3L54 175251731834.7350-4.22一2_工-6503-63-15 114-L1101,23154000561,71 1 -834.35.36.37.38.39.4口.41.42.43.44,45.46.47.48.49.505L 52.53.54.55.56.57.58.59. 60.6L62.63.64.65.45-25 -11136-52 0 -670,7L72.73.74.75.76.77.78.7%S0,81.82.K3