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应用加法交换律和结合律简便计算练习.doc

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13+138+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+139+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+186+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+180)= 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+(138+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+138+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+139+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+186+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+138= 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+(186+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= 496+(212+104)= 162+186+138+114= 26+153+74+547= 19+(695+81)= 54+(873+46)=  55+45+31+169= 133+67+106+94= 367+(107+133)= 89+549+251+11= 194+(659+6)=  91+9+283+517= 11+31+269+189=  350+45+350+55= 204+15+96+185= 109+(523+191)=  371+207+229+93=  301+199+64+236= 268+(96+332)=  198+2+22+278= 75+(423+25)= 172+28+286+314= 253+247+91+109=  277+(369+223)=  133+362+338+67= 111+459+289+41= 102+144+56+398= 76+568+32+124= 19+(194+181)= 598+102+43+57=  410+(382+90)= 578+(62+122)= 542+158+172+28= 293+(314+307)= 148+18+182+152= 43+(55+457)=  252+148+166+334= 213+111+387+89= 388+108+92+212=  393+(494+107)= 88+165+612+35= 389+261+111+39= 142+(164+58)= 16+(411+84)=  372+162+28+138= 12+51+88+149= 19+(231+681)= 530+(125+70)= 133+267+250+150= 271+153+129+347=  203+71+29+197= 378+322+97+103= 20+(644+80)=  363+171+329+37=  526+74+16+184= 102+(99+398)= 534+66+70+30= 187+198+2+513= 99+644+56+1= 185+387+315+13= 259+(456+141)= 294+72+106+28= 600+45+100+55=  184+63+137+516=  133+160+140+267= 447+(493+53)=  372+28+199+1=  81+285+515+19= 336+192+8+364= 165+(476+335)= 676+24+94+6= 100+114+100+386=  280+(331+220)=  44+42+56+358= 178+(129+422)= 18+63+682+37=  255+(101+345)= 165+(528+35)=  191+(302+309)=  314+150+50+386= 98+202+25+75= 74+17+683+26=  163+187+113+337= 63+72+237+28= 105+17+83+195=  136+64+265+435= 162+117+83+438= 53+459+47+241= 315+(425+85)= 501+99+70+30= 17+183+301+399=  13+179+521+87= 53+438+47+162= 357+195+243+5= 618+(185+82)= 254+90+346+10= 80+(248+20)=  507+93+79+21= 26+(774+174)= 99+(239+201)= 55+(788+45)= 470+144+56+30= 59+495+5+141= 238+30+170+362= 385+15+16+84= 137+363+148+52= 222+478+112+88= 43+3+57+297= 115+93+185+7= 198+159+41+402= 241+100+500+59= 374+40+260+26= 48+74+26+552= 390+69+431+10= 15+291+385+109= 438+168+32+162= 380+(60+320)= 20+80+7+293= 31+354+69+46= 27+132+273+68= 322+(507+78)=  110+72+90+428= 483+67+233+117=  230+74+326+170= 4+96+46+454=  228+12+472+88= 518+(154+82)= 30+270+262+38=  175+88+212+425= 153+(27+147)= 491+35+65+209= 12+(665+88)= 35+96+365+4= 46+204+154+496= 221+79+547+53= 413+48+87+52=  422+17+83+278=  142+(485+58)= 22+78+238+62= 74+(188+126)= 243+51+157+249= 90+95+5+410= 10+290+451+49= 167+33+289+311= 74+18+426+82= 324+35+65+276= 444+30+156+170=  257+43+496+4= 28+72+583+17= 123+(447+177)= 456+8+92+144= 5+70+230+95= 634+66+76+24=  696+(115+4)= 338+38+62+62= 190+110+334+66= 110+360+190+40=  39+(803+61)=  54+246+439+61= 214+(101+86)= 80+21+420+379=  183+317+145+255= 133+67+136+64= 315+89+11+285= 580+20+22+78=  184+95+5+216= 125+159+375+41= 159+429+71+41= 145+189+11+455=  499+(68+201)=  258+60+140+42= 307+(9+393)=  32+538+62+68=  150+(454+50)= 79+450+50+21= 625+(223+75)= 166+81+419+34= 496+292+8+104= 389+(301+111)= 397+38+62+203= 275+141+59+325=  49+51+301+399= 287+(233+313)= 259+41+67+33= 55+45+229+271= 173+(289+527)=  53+84+147+616=  476+3+124+197= 186+214+67+333= 438+162+130+70= 319+381+25+75=  107+(28+393)=  265+30+35+370=  177+9+123+291= 556+(2+44)= 181+(391+319)= 9+186+14+391= 396+350+50+4= 11+41+659+89= 25+(324+275)= 62+38+121+79= 284+16+46+254= 104+(450+396)= 49+51+319+381= 194+5+95+6=  557+63+143+37= 86+(784+14)= 356+189+11+344= 118+93+82+607= 37+563+181+19=  315+(211+385)= 605+(263+95)= 89+249+111+351= 98+(159+2)= 361+339+76+24= 16+84+61+539= 463+92+8+137=  100+114+100+386= 368+(1+332)=  167+233+61+39=  211+327+173+89= 367+(421+33)= 565+135+136+64=  271+226+74+329= 56+44+259+141= 250+36+150+264= 286+142+158+314= 188+(457+112)=  293+107+88+12=  438+38+62+162= 372+50+50+328= 57+214+86+543= 91+209+244+156= 542+12+158+88= 100+(513+200)= 64+36+37+63= 63+37+364+36= 27+(441+73)= 37+(21+63)= 331+(411+69)=  501+(198+99)= 54+477+46+23= 358+142+46+254=  14+486+76+324= 31+(145+69)= 245+55+487+13= 292+(103+208)= 281+159+219+41= 298+72+202+28= 425+190+110+175= 303+48+152+297=  51+82+218+249= 261+50+50+139= 695+42+5+58=  29+342+71+158= 69+136+464+31=  122+(325+478)= 176+(479+124)= 184+(310+116)= 347+(258+53)= 274+62+38+326= 359+241+160+40= 49+51+172+528= 196+(601+104)= 495+(299+205)=  89+(580+11)= 365+(303+35)=  130+99+101+570= 479+144+121+56= 297+75+203+125= 237+(358+163)= 145+155+283+117=  5+188+212+95= 329+129+371+71=  28+30+170+572= 65+255+35+445= 292+(20+208)= 388+237+112+163=  37+63+133+67=  73+(115+627)=  163+123+37+77= 37+263+478+22=  427+173+16+184=  62+(7+138)= 72+28+268+432=  116+56+44+584= 154+(146+46)= 236+123+164+177= 67+32+668+33=  6+678+94+22= 67+33+550+150= 97+(172+403)=  58+642+7+193= 270+(623+30)= 57+(461+243)= 114+42+186+58= 510+(275+190)= 162+162+38+538= 200+(118+400)= 315+36+285+64= 51+411+49+189= 169+252+431+48= 71+299+401+29= 172+363+128+137=  249+237+351+63= 250+50+163+437= 526+(273+174)=  194+5+95+406= 107+(348+93)=  67+51+133+149= 98+(876+2)=  47+433+167+153= 37+306+63+294=  517+39+183+161= 282+18+100+200= 217+(217+83)= 17+683+133+67= 115+8+92+85=  170+(86+230)= 461+168+32+39= 206+94+109+91= 266+(266+34)= 95+(543+305)= 117+(237+483)= 433+(149+267)=  3+(397+97)= 35+92+8+165= 210+(422+290)= 181+62+38+419= 178+(758+22)= 452+(176+148)= 8+57+92+243= 5+183+495+217= 133+39+67+461=  287+192+308+13= 12+258+242+188=  131+(177+569)= 106+94+154+246= 610+90+100+100= 62+38+139+61= 7+(521+93)= 68+267+332+133= 84+129+16+571= 168+213+32+287=  176+(37+124)=  122+278+25+375= 51+81+249+319= 71+129+37+263= 65+35+184+16= 186+(244+114)= 94+6+457+143=  38+177+162+423=  130+(302+470)=  31+4+296+369= 324+(426+176)=  237+144+263+56= 188+165+212+35= 356+(394+44)=  40+150+350+360= 298+362+38+202= 167+33+167+333= 179+268+32+121= 62+38+184+516= 382+291+118+9= 208+192+103+197= 159+63+341+37=  249+72+451+28= 189+(634+11)=  151+149+34+66= 475+225+70+130= 176+324+265+35=  55+45+628+72= 4+492+8+96= 196+189+4+111= 358+330+42+70= 374+226+187+13= 260+(170+340)= 32+(612+268)= 41+159+157+143= 62+338+64+36= 25+475+85+315= 11+2+98+689=  490+77+23+210= 98+(341+502)=  364+69+336+131=  189+50+50+111= 76+(176+424)= 172+66+528+34= 210+8+92+190= 416+270+184+30= 518+93+82+7= 122+345+78+155=  26+(206+474)= 303+297+88+12= 139+164+536+61= 449+151+25+75= 82+75+418+125= 301+99+259+41= 147+92+8+53=  137+63+157+343= 480+252+120+48= 61+239+301+199=  688+12+64+136=  296+(152+304)= 133+24+367+76= 94+6+256+344= 284+133+167+316= 93+45+7+255= 359+23+77+341= 188+(473+112)= 611+54+89+146=  92+30+608+170= 223+129+77+271=  444+(307+56)= 79+27+621+73= 378+225+122+75= 197+6+403+294= 241+123+77+59= 174+12+488+126= 218+(203+482)= 43+357+118+282= 190+410+193+107=  137+(250+563)=  92+(336+308)= 505+(217+95)= 183+141+17+59= 89+(314+111)= 211+126+389+74= 294+45+6+55= 72+(203+128)=  12+88+184+216=  235+45+455+165= 12+199+101+588=  40+93+260+7= 240+53+347+160= 268+180+32+20= 438+19+281+162= 594+(83+106)= 670+30+145+55= 19+(658+81)= 492+41+59+8= 170+(86+230)= 198+143+257+102= 479+39+221+161= 278+113+287+22=  187+(122+13)= 92+77+23+308= 157+(147+243)=  568+29+71+132= 70+(434+130)=  452+48+238+62= 34+466+22+178=  475+83+17+225= 172+128+349+51= 372+28+268+32=  83+(424+17)= 286+(435+214)= 10+385+215+90=  6+(785+194)= 2+9+98+91= 79+214+386+121= 63+204+337+296= 364+69+136+231=  451+(51+149)=  94+30+106+370= 252+(601+48)= 466+234+22+178= 27+73+100+700= 16+54+184+346= 107+(59+593)= 318+(347+282)= 45+207+355+293=  116+44+56+484= 238+(466+262)= 46+108+54+192= 344+56+22+478= 28+190+110+272= 212+88+34+466= 438+(137+162)=  443+(148+57)= 80+568+32+220=  557+(105+143)= 54+(110+546)=  221+27+379+273= 101+99+487+213= 332+60+168+40= 554+(336+46)= 424+276+13+87=  113+187+13+387= 174+(205+126)= 60+(575+140)=  158+(365+42)= 55+244+356+245= 86+14+28+272=  125+(212+75)=  655+32+68+45= 189+195+305+11=  420+150+180+150=  69+(359+531)= 111+(177+289)= 370+(70+330)= 123+(525+77)=  466+332+68+34= 30+70+391+409= 180+220+91+109= 39+153+47+161=  203+12+497+88= 70+230+16+184= 138+135+162+165= 256+51+344+49= 198+202+175+125=  110+(666+90)= 124+(577+76)=  58+36+442+64= 502+89+11+198= 174+202+98+26= 115+408+92+185= 154+183+146+17= 283+(408+17)= 617+6+83+94= 58+(584+242)=  74+(579+326)= 351+(357+249)=  256+36+144+464=  160+368+332+40= 17+(349+183)= 63+204+337+296= 541+(108+59)= 35+465+136+164= 152+(62+348)=
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