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首页 > 应用加法交换律和结合律简便计算练习(1)

应用加法交换律和结合律简便计算练习(1)

2021-06-30 50页 doc 114KB 23阅读

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应用加法交换律和结合律简便计算练习(1)应用加法交换律和结合律简便计算练习13++687+62=6+(157+94)=499+16+284+101=120+(229+80)=265+435+91+9=374+62+38+26=135+(683+65)=318+(229+382)=260+(322+40)=184+216+103+97=46+254++161=127+73+259+141=221+479+46+54=82+(167+18)=102+42+498+58=98+33+167+102=388+12+188+312=312+288+82+118=361+(22...
应用加法交换律和结合律简便计算练习(1)
应用加法交换律和结合律简便计算练习13++687+62=6+(157+94)=499+16+284+101=120+(229+80)=265+435+91+9=374+62+38+26=135+(683+65)=318+(229+382)=260+(322+40)=184+216+103+97=46+254++161=127+73+259+141=221+479+46+54=82+(167+18)=102+42+498+58=98+33+167+102=388+12+188+312=312+288+82+118=361+(221+239)=594+108+92+106=218+(638+82)=22+152+248+78=405+(473+95)=410+389+11+90=109+591+82+118=48++52+214=69+69+231+31=175+354+25+346=129+71+118+282=83+100+200+17=76+(423+24)=364+35+65+236=82+(410+18)=97+(21+3)=92+53+47+108=95+(610+5)=113+(105+87)=8+(326+392)=483+117+178+22=165+(327+135)=308+165+35+292=487+295+5+13=164+153+36+447=352+248+43+257=307+150+50+93=92+(555+108)=307+(168+393)=113+60+387+40=84+386+14+216=154+46+562+38=199+174+1+526=619+(144+81)=72+146+554+128=90+168+332+110=347+(403+153)=84+(899+16)=450+150+196+104=121+371+29+379=171+11+89+429=169+51+431+49=531+(140+169)=78+100+500+122=23+205+395+277=228+172+148+252=190+10+634+66=66+65+35+234=518+92+8+182=28+572+49+151=244+(482+56)=98+402+58+142=131+(739+69)=33+(515+267)=96+4+241+59=473+114+27+286=8+692+79+21=187+13+154+46=49+(619+251)=584+(204+16)=10+390+337+63=63+(347+337)=348+(59+252)=68+148+452+132=91+(560+109)=229+438+71+62=149+(132+551)=220+(312+)=337+50+50+263=45+316+284+55=5+15+185+395=59+84+716+41=365+35+172+228=122+105+78+395=591+82+218+9=118+198+282+2=14+(104+86)=464+36+236+164=237+363+169+31=12+88+400+100=546+(313+54)=122+378+181+19=463+72+128+237=30+(451+70)=515+85+37+263=310+(237+290)=154+53+47+46=154+53+47+46=109+60+391+140=106+594+133+67=200+26+74+400=101+63+599+137=135+32+68+465=41+(326+59)=106+(59+494)=5+95+244+56=7+(150+93)=162+(465+38)=266+27+134+73=178+84+416+222=104+54+146+596=323+156+277+44=67+233+10+90=374+115+185+126=80+20+370+230=174+375+26+25=32+168+172+28=232+(342+368)=49+399+101+151=575+183+17+125=683+162+17+38=37+(243+563)=47+122+278+453=161+264+39+136=69+231+256+44=13+202+98+287=505+84+195+116=15+90+385+10=75+525+67+33=75+(295+325)=100+300+172+28=272+428+37+163=145+(104+455)=149+(358+151)=222+(+178)=275+(231+125)=208+27+92+73=178+(733+22)=2+261+498+39=59+148+152+41=50+(251+50)=378+59+41+222=107+(491+293)=387+113+145+55=35+366+65+134=6+(210+94)=87+13+7+793=428+172+190+110=75+93+425+307=204+26+74+496=11+393+107+289=241+59+370+30=20+269+131+380=77+(504+323)=20+(119+80)=162+338+208+192=50+(156+350)=161+(151+39)=554+256+44+46=566+174+34+26=40+26+74+160=99+105+401+295=128+87+113+472=61+564+236+39=146+(71+54)=222+249+251+178=3+29+71+297=23+(61+477)=79+(603+21)=59+41+37+63=156+(459+44)=106+(651+94)=596+(78+104)=113+387+22+278=84+(751+116)=191+(746+9)=202+363+198+137=179+21+157+43=410+18+290+182=202+(172+498)=318+15+82+85=55+293+107+245=356+99+44+101=359+20+80+341=458+(294+142)=93+(488+207)=167+29+371+133=353+66+47+34=361+108+39+92=30+96+470+104=23+590+110+177=56+(294+544)=125+(708+75)=50+275+425+150=165+(33+535)=133++167+62=204+39+396+61=392+135+108+65=292+63+137+208=70+(155+130)=28+(478+172)=200+200+421+79=64+32+68+36=26+74+220+80=264+336+34+66=131+295+5+269=124+(481+176)=88+212+67+33=376+(389+24)=154+390+346+10=83+429+17+371=15+687+85+113=61+239+112+88=347+74+26+153=233+9+191+367=462+(172+238)=104+207+96+493=217+145+155+283=382+218+241+59=418+80+20+82=103+14+86+297=125+(407+75)=48+(395+52)=412+(259+88)=99+225+1+475=392+63+108+37=454+(136+246)=283+387+113+117=377+223+76+24=123+577+16+84=412+117+83+188=488+(330+12)=226+(226+174)=296+39+104+161=244+72+128+256=10+78+90+322=93+7+46+554=288+105+412+95=135+165+65+535=97+(445+103)=20+280++161=113+187+175+225=151+27+349+73=433+(275+267)=168+232+289+11=50+50+655+45=182+(793+18)=254+(292+146)=25+93+107+275=498+102+187+113=435+(178+65)=27+(525+173)=581+156+119+44=35+297+565+3=307+(2+93)=307+(203+193)=221+79+310+290=210+(93+490)=302+(13+298)=132+68+166+534=285+(604+15)=437+23+77+63=163+29+71+337=73+105+95+127=679+(45+21)=50+46+254+550=5+36+295+264=315+(365+85)=141+24+359+276=308+168+392+32=99+289+11+301=18+(68+382)=129+71+109+291=57+123+643+77=218+103+197+82=20+680+88+12=108+99+592+101=86+315+14+185=23+477+58+42=389+(527+11)=176+424+148+52=256+(37+244)=158+(306+342)=211+2+98+489=93+298+2+407=174+(273+426)=357+78+122+143=71+29+310+290=127+(85+373)=278+322+88+212=41+55+245+259=152+48+436+164=225+(372+275)=303+(59+197)=215+(153+485)=344+69+131+56=435+(225+65)=291+17+83+409=499+165+35+1=214+228++72=610+11+89+90=39+269+131+61=185+(465+215)=40+283+17+160=32+159+68+141=129+271+29+371=275+20+80+325=215+(352+285)=58+(23+442)=269+31+148+52=143+(172+557)=283+33+117+367=26+(122+474)=387+(93+213)=243+120+457+80=114+(463+286)=421+62+38+279=506+68+32+194=25+475+337+63=99+375+125+301=153+185+215+147=19+29+371+181=85+15+178+22=405+165+35+95=198+(51+502)=161+539+43+157=568+38+62+132=224+9+191+76=16+389+11+84=30+70+562+38=299+42+201+358=67+(714+33)=152+48+244+156=53+462+247+=2+(840+98)=25+8+92+475=73+327+445+55=157+(78+543)=21+179+40+560=124+(299+376)=401+(207+299)=158+42+52+148=271+29+16+484=204+250+50+96=3+(795+97)=450+(+250)=28+72+238+262=396+60+4+140=79+21+124+176=27+273+445+55=52+(236+348)=78+285+122+315=163+141+59+37=607+(67+93)=50+275+425+150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