有理数混合运算100题(有答案)

1、1.-(-3)22有理数混合运算100题（有答案）r227.(-10)5()52.12411（一）一（一）（一）235238.(-5)3(-3)25113.(-1.5)4-2.75(-5-)4229、5(-6)-(-4)-(-8)4. -8(-5)-63-135. 4-5(-)3216110 .2-(-)-(-2)472211 .(-16-503-尸(-2)$(-3(-6-612.(-6)8-(-2)-(-4)25513-(4)24x(f-r2)2119.-5一乂(10.2-)-(-2)514.-11997-(1-0.5)115|-32(-3)2-266620 .(-5)(-36)(-7)(考

2、)12(-3)59Q21 .(-)(一4)2一0.25(-5)(一4)o216.(-)2(1)022.(-3)2-4)31-6-17. -13-(1-0.5)12-(-3)2323.(一"6一宗十看一卷)X(15X4)418. (-81)-(2.25)()-16925.2+(T)X75(-5；)31.(-4；)(53)+(-4；)3132.(-16-50+3-2)+(2)26. 15；(1；+1弓+3弓)+(127. 5X(5)+(一1)X533.(0.5)(31)+6.75528. 一(3宗+卷2)+(一右)34.17887.21+43等+53/-12.7929.-13X3-0.3

3、4X：+三X(13),X37370.3435.(-6)X(4)+(32)+(8)336.21)+|-1i|30.(13)x(134)x5X(-67)37(9)X(4)+(6。)+1233【工39T3T1。(15)X吁44-2X32(2X3,23245，(2)2+(2)+2川46.22(3)3X(1jT1-1.432X3I会.（卜坦一）.的乙7(£-)-S1x(-x90-O-I，'96v乙P(-9-)+9ZZ+-t7+(91-)19VV£乙9£乙(_)+(_)+_+(_)+_-093x(-)-69G=ZL+99-60-2Z-£Sgg=9x(-)-=

4、-(9-)x-25Olz9=(+-)x(09-)89vG=。£工乙）一的乙一ISGGOX(L+§-)Xf-)O963,528I+1252165，(')+(')|)乂>I1166，2X十(9+19)241467，(81)-I-2十中(16)4968，I【(5)244269,1527。，()x24(33)-i-(6+3)32(6x8(2)(4)X574,7X上+(9+49)75、25X3(25)X1+25X(-1)4244Yr3、44W;-8-i+(-7.5)+-21-|+3-I81A乙<2232+(2)4+232_3卜(Y)20.25(-5)(Y)

5、38")76、332(-5)3(-)2582.76、,4121(3一5)-230.125-1-3-5-1+777、83(-49)-(+91)-(-5h(-9)78、084.i、i。1y4；16；80、200485.11286.87.88.89.90.1W3,+1I-3-1-0.25+-3.754.54八4)1(-1.76)+(-19.15)+(-8.24)23+(T7)+(+7)+(T3)1、(+3)4225+11+91.-99+100-97+9895+9692._1_2_3_4-100_,，293.(-4)X(-9)+(5+2+(-23)+5。+(82)31-(+5)494.(-6

6、)95、100X3(0.7-102513)+(-5)496.(-11)513+0.03),、3(T1)X9597.5y11)+21-11)6238898. (-18)+(-9)+(-63)+(-7)99. 0+(-105)+1+(-9)100. (-5)X8X(-7)+(-6)X(-5)X(-7)-(-12)X2.45X0X9X100有理数混合运算100题参考答案1.-(-3)22=-181-3.(-1.5)+4-+2.75+41八(-52)=。1.55.4-5()3=4?28_?2一7.(-10)-5(-)=-8529.5x(-6)D-(-8)=-28211.(-16-503-)-：(-2)

7、5=8+251需二311013.(-；)2215.-32(-2)2-2=9231121241112.(-)()-()=2352354.-8(-5)-63=-2325一16.(-二)(-(-4.9)-。.6=3二56153328.(-5)()=45510.21(-6)-：(1-2)=1747212.(-6)8-(-2)3-(-4)25=-48+8-80=12014.-11997-(1-0.5)1=-13616.(-沪(-2吗41217.-1-(1-0.5)一2-(-3)3418.(-81)-(2.25)()-：169,71=-1+=662119.-5-4(1-0.2-)-(-2)5=81x4x-

8、x=19916666620.(5)父(36)+(7)父(一36)+12父(-36)=(57+12)义(3)=021.(-5)(-4)2-0.25(-5)(-4)38=一10一80=一9023.(-6-20-l-il)X(15X4)=10+948+35=625.2+(3)X7+(51)=若22.24.2132.(-3)2(1)“-6-29=9-3-9=-26.151(141+34)+(18)=15。：X：31X(-8)=125X，X(-8)=-311X8=-622=-95LI447928963631.1 1X(-5)+(一1)X5=25282. .(1一$+13r2)+(分)=G鼻+壬X42=1

9、42+912=983. .-13X2-0.34X+1.X(13)JX0.343737=-13X.2+1X(-13)-0.34X4-4X0.34=-13-0.34=13.343377(-13)X(134)X*X(5)=-2(47)(52)+(44)31=-8+1j=-67(-16-50+32)+(2)33.(0.5)(3)+6.75-5-2=8+2515=3110=(0.5)-54+6.75-(3.25)=417887.21+434+5312.79(-6)X(4)+(32)+(8)3=178-87.21-12.79+43等+53赛=178-100+97=175.-f-(-i)+|-12|=17.

10、38.(卷)信+等+(表)=4一竽+畀X(42)=27+72-16=8340.-13X(专一if)22=一1X(32)X5二二50=24+43=2537.(9)X(4)+(60)+12=36-6=3139.-|-3|+10(15)X3T+5=417041.(2|-3+1-17)+(1、)乂(7)=(3-W+T8)x(，)X(7),7735、八.一352=(3-2+18)6=14-21+-3=43-32-+(-4343.(-23X(-24X(-2544.-2X32(-2父3f=1682-345小2=2=2=4096一，一2=-2X3-4X3/+J乙一）+，一一手一8Z、08g、62£/

11、、rr-=止）、£9£6(-)-11'LL»-二g”-)餐)9Z92=(7-)X9S+X(92)gX9S2=回+6-vG96L产9十feL-)+lI-JL£_z02k=9x(iz-)-(s-)-9x(9-)G匕ZL口99k=,(£-=-9")4-7(££一)V乙x(),、6P二（力乙一）十匚+1+力£一p176V'02乙,乙V、V,乙-g-=(-9-)-LL£L'699£9G-=6P(91，-)-+一乙+(1.8-)VIz'899"=(6L+6

12、-)二工：乙VV?9g££_=-X(-lx-)4-(iz-)IYG'99怙-乙LV9=(8)x(_-+r)、G9£二(970-)-9-(-)+9冲9V乙7(£-)-Sx(-x90-D-U'196L£、,乙、9£、乙2'0-=()+()+(-)+-vvKG1Olz952-=(-+-)x(09-)PG0989990=0xoXrXLSI/V-G-(rta,1.9£=r(L)一7乙一匕GggSS=9x(-)4-(9-)x-(L+3-)x(09正乙XVJZ乙LJrobo/c|一=(9、，、9乙-)X(乙一)-=

13、-+9839巧9乙V0=(-9-)+9ZZ+-17+©L)198k=Sx(-)-69G9pQ-=(7-)-(-7)-ZSLwZ.9-=9-(_)+(乙厂=Z1+9S60乙2£S290=(分工乙)一fISGGL=2+L-=（”）+“一）一4一）义声一6。0-=L+Z2-=p-)Xe(C-)-,3-992=g+!乙一)+乙一J乙一”90-83K(-7.5)+-21-f+3-f81.i-)+21+(-11)=138898.(-18)-(-9)+(-63)+(-7)=11J<7八2J=-34JDSL7J、7'=-51211y1i-2+3+0.125-1-3J3-49-91-5-99.0千-105)+1+(-9)=-100.(-5)X8X(-7)+(-6)X(-5)X(-7)-(-12)X2.45X0X9X100=70=-144nf1W1W1H+1110、2八3八4八6)=121厂1。3、1-+1I-3-10.25+(-3.75卜4.5=-3.5214八4J1(-1.76)+(-19.15)+(-8.24)=-29.1523+(-17)+(+7)+(-