应用加法交换律和结合律简便计算练.docx
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应用加法交换律和结合律简便计算练
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=
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=
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=
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+1