1、6484)=888=2.4+3.4=230+3014=52.2-33.8=2979-207=718(355)=1633-141=399(15239-188=39225588-367=420695449-(452-283)=11482=557+419+407=(286-275)9592683-(210+393)=839-1047=587+981=2.8-0.5=793-145+849=48332(3291(421-414)=835+710+834=783(3323+29175+(436-97)=883061238-422=46=(493-403)293826294924263-980996+85
2、1+52=8763175+3083874313-51=431786(138-106)556+234944573+(806-805)=467-352+50=4/6-1/6=9459+188=328+114=772-121174(343-341)=4-257=2112-238=979-2413=6.0-1.2=76.5+9.6=267+98=947-(890-751)=935-523+836=447-368=1351/5+2/5=3/6+2/6=408(263-255)=838759+84+841=588(14891392(395-391)=309279(395286(424-422)=(460-
3、452)17281=80.0-48.7=9.6+5.0=269+27-178=(166-128)19=131(967-961)=23=481-138-163=58+405-120=7.6-0.8=5844+275=610+893+690=35490-29=4/8-3/8=4392-596=579-(851-772)=304.1-3.7=(66976-866+633=4275=398+63617=2024122-611=352481-2516=7426/7-1/7=247(183-180)=282-38100(36465-3411=867+721=906(455-452)=59+48=137+3
4、8618086336344+109-437=108-(345-330)=28(28236179099639691-175-460=228+198=51655/7-1/7=240(48(863-776)93=(305-303)=87-76=3.9+1.7=685+12(940-679)882(454-445)=628-97-403=8728566(778-715)=7611651=913-6333533387+27778+972144-(307-187)=4642.8+2.6=684(694-688)=132-55+254=689-256=646-(693-587)=363-(288+65)=5
5、35344917-(418+69)=9.9-7.7=(14753.7+1.8=669181-88926(236-210)=983-38840-(99-43)=696-153+430=74147350(268-226)124101+670+625=2/3-1/3=648+(622-489)=708005/7+2/7=384-50=1/4+2/4=328280=2.5-1.9=398-107=518-135253-10958-(101+641)=260-40(192-34)58547393-141983+2135=104-43=419-339+187=2/4-1/4=860-1995/6-1/6=
6、935+(492-45)=427-1131-382=1841.6+9.4=547743+97=895(617-613)=624-(21+460)=438+1825=870-38=31(949-852)=6241687311-217=9.8-8.4=445+(776-367)=2/6+4/6=972-(102+164)=(44-26)36-337=2333=667(348-342)=163+(333-169)=7.3+2.1=867-22=1717-218=212-378269(6424=372+20113.7+17.4=65+32+14=(350-20)370-771873=(12030849
7、425(749-744)=(14416(158-151)=355-87-83=(830-366)1/8+3/8=3648=386-(420-204)=84366-217+152=317-(78+10)=352+280713+2446221=474-(200-105)=907+(419-323)=6/10+2/10=(213-200)=633433-352-72=52(78-70)=3718-376=318-37=328+39176+1095765/9-2/9=132482-15-414=(311-285)95=90+(145-119)=4618=25+417179+1061=621162944
8、5810147+505=1/5+3/5=768153(814225-972=574-404+223=5803-976=564123-142986-527=650-161-20=439+633-498=888183-45380-61+165=234(54467-36148-30-10=(207-87)8343-371=644-170+865=39.4-25.2=192-142+231=180(1663(466-459)=(493-325)1434286-(418-365)=228(378-372)=70463=333+(378-195)=725+407-221=2/8-1/8=34+(212-1
9、47)=641+93-703=378472-70810268240+180=304(137-129)=4/10+2/10=(866-558)(2153(450252+205=444-(261+68)=403-16627-59394+670-147=(480-414)=70=247+58354006-174=297-(357-310)=22530+131=46+162+757=145-18235+7320=3153138-691=35-20=850-(193+133)=14199+803-528=132+1222=(68-10)0.3+2.9=486(460-454)=430-(763-607)
10、=138+184-275=624(959-953)=2633-478=137+17(90409-36177+207=968+1425/10-3/10=330428(909-905)=205+313+384=41471=0.9+8.7=342(27994315+152=394261+196=478-268+190=63231-781=526-800930-(89+678)=937-640+246=876454/7+2/7=2460302+6308150=37=42=3198-51=831+1187=426+1424-259=1629139=256-(343-322)=62(836-766)=25
11、2+73-41=40(437-417)=61(40915-257-439=440-(257+29)=225-4412951-99260741-315478-344+290=201-18285(260-255)=733+602+432=38.1+35.0=32=500-15236+1341202.7+7.8=891-(84+337)=3/7+2/7=(882/7-1/7=298+13803-42337-27420-79-333=140-63=4/9-3/9=9710-340=451+(476-13)=27(65308(210-206)=384+726+466=659(802-794)=(423-
12、374)268+202-40=479-10480500+162+39=249-(15+51)=807+84940288394+(117-63)=1555-56=(499-51)207449-(735-599)=18630=218+2832183(574-570)=924+206-934=67634-78-476=485422+142=263+97=80472+28964=724-449=175+182879+915-65=972-61494-207-201=360(57-55)=235+204.9+7.0=1921771/8+2/8=1911-51=415+(400-36)=(366-335)
13、368-261+202=138+142+305=915-24-11=806+86060.4+30.5=18127317(181155.4-1.9=506-(477-432)=201472+36954334+386542+355=525(42267(97-94)=(63917.7-12.5=49+334-334=7505-606=6497-428=1975-217=329-62=116-553952+(721-454)=868-16364-7292.7-0.9=114713(657-649)=399-33(76-67)=44120(223-61)40759846413-275=22200+114
14、-115=961-141-25=360-(200+21)=594+5886906+242=80+184+115=249-(23+30)=8.6+6.8=252+40898(114-105)=130(878-876)=参考答案84+353+334=771297-88-60=149178-(161+17)=08)=1683.1-0.6=2.512=17815=892)=1327)=9627.2-2.2=5.04=3018=4328=8625=48952=13755=26097=87306=915-323=379)=48032+(773-304)=5013)=999=5583=1920(328-30
15、2)=2606=45004=2596)=1704=656=37426+254+204=8845=115543=18923+837=10803)=12610=3699=693878+(374-19)=123344.3-14.3=30.060=840701-68-64=56974+166-98=1423=234852+634=148629=58018-322=7426=24969=1251551-119=4323+41=3229=864351+877=1228288-(361-127)=544)=8188=70402.4+3.4=5.814=65052.2-33.8=18.49-207=24665
16、)=50263-141=3485)=133239-188=513=8257=3367=7357=310=950449-(452-283)=28082=4674557+419+407=138360=6602=2258=74683-(210+393)=8047=369587+981=15682.8-0.5=2.3793-145+849=149710=4808)=83(421-414)=637835+710+834=23793)=872=381175+(436-97)=5142=8803)=5138-422=3446=33122=4526=22628)=57823=4412)=23126=2604=
17、18996+851+52=18994=732=7913=438=68813-51=2613=12932=1318=47=7172=1078573+(806-805)=574467-352+50=1654/6-1/6=3/69+188=293328+114=4423=409(343-341)=874-257=3112-238=1413=6676.0-1.2=4.876.5+9.6=86.1267+98=365947-(890-751)=808935-523+836=1248447-368=795)=9451/5+2/5=3/53/6+2/6=5/6(263-255)=516=18004=1667
18、59+84+841=16847)=2949=33(395-391)=983=2065)=6241(424-422)=1432=481=696680.0-48.7=31.39.6+5.0=14.6269+27-178=11819=722(967-961)=78623=989481-138-163=18058+405-120=3437.6-0.8=6.84+275=421610+893+690=21932=700490-29=4614/8-3/8=1/82-596=282579-(851-772)=5002=3604.1-3.7=0.46)=539976-866+633=74375=31503=61017=8509=90922-611=2918)=8816=817=51946/
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