1、七年級上數學專題訓練有理數混合運算100題姓名：8.-x(-5)-(-)x51.2.7571239.-"+2二)"口32114742271510.-13x-0.34x-+-x(-13)-yx0.343.22390.8xI-4.8x()-2.2+0.8x117711H.(_13)x(-1M)x導(.)4.13.、,(+)x(-15x4)62051213.(一16-50+3)+(2)5.73(-)x-x(-2.4)18714.(0.5)一(3)+6.75515.219178-87.21+43+5312.7921216.3412+(-/子(古)16.(-6)x(-4)+(-32)

2、+(-8)-37.151一（3如1）卜（_!）2452817.18.(-9)x(T)+(-60)-1228.912311(-27)+9-(-H)x(-24)112341219.卜總）一吟-529.3n2720.-|-3|-10-(-15)xi30.21.13/75、3-1x()+2-：53216231.22.32.23.33.24.F-(44)x(-2.5)25.34.26.-5-7|+1-5-(-7)|+1(-243)+(-246)|35.27.3-(-2)x(-1)-8(-1)2x|-3+136.27/9、/,4、+()-(一3一)1011510i(+O.125)+|3-+昌卜+(-0.2

3、5)211x(-455)+365x455-211x545+545x365TJ竺_11同9_(_3)2+，+3141221?1(一1)，一(彳一3+(-工)/-2-(-3)-23o5171)x24-r(5)8612，mV3-117x0.125-r(-1.2)x-1(32'7n13-0.5282342x(-)+(-)-r(-0.25)47. (-0.25)2(w5x42W430-(+3-£)x(-36)+(-5)(_2嚴。3+(_2嚴257. (-5)3乂2(一6) 300+523155(+1) ()x( 74148i448. -0.52+22-4-(-1-)5x-42949.

4、(-2)3-3x(-4)2+2-(-3)2-(-2).3、/J、，31、/5、1一)十(一1一)一(-+-)-5-()4242450. 2(-4)x(-7+5)3x(-2)3-4x(-3)2+851.(-1),ox22+(-2)2(-1),0x22+(-2)3-252. 84+(-4)x(-7+5)-22-(-2)2-23+|(-2)3-2|2553. (3)2x-+(-)(6)2-5-4-I4-2x2-(-3)2o54.-(1-0.5x43)(TO)?十(7)2-(3 + 32)x255.11=/rJ、rJ12x(+3-)+3+(+22)+3-2x53522356. 9+5x(3)(-2f+

5、4(-1)4-(1-0.5)x1x2-(-2)2J60.JJ-1x(7>l)上>l1214x(310)142x(13)314x(13)+153+50+22x(17一16、尸.小x().9436x(二i-)2232;I4XTE92XI+54523(+)X(112)1234一6±12)3'。X(-4)(JI川T(l2)+(|2)2X(114)23674,|3|【|5十(一|02乂|)-|-(|2)一22'111112+rl-y1土'32X2-66,1813x(11)31(-4)475+:+1X22X399X10067.415x(11)3277.12-4

6、x(3-10)卜(4-9)87.23-32-(-4)x(-9)x078.-5+(-2)4-2、(-2)388.4-5x(-l)3279.24+16+(-2尸+(-10)89.80.(5+3)+(2)+(3)2390._2、工(二)29382.32-x-33x(-)2-2392.(-7)x(-5)-90(-15)-l-|x12-(-3)283.12-93+()xl2+322393.2342x(-)+(-)-r(-0.25)84.(-)x(-34)-xl7-x(-6)23232394.117313126424乂（叫85.151x86.271795.2)7(-370)x+0.25x24.5-(-5-1x25%2(-2)2x(-l)3-3x-1-(-2)96.-8X