四年级数学下册加法运算定律练习题精选2Word文档下载推荐.docx
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____+82=82+28
m+68=68+____
51+13+7740+77+10
38+80+62+920170+370+330+330
325+16+48483+563+17
84+63+16+37782+299
929+399110+240+560+390
770+180=180+____
82+____=46+____
(17+36)+24=17+(____+____)
270+(430+41)=(270+____)+____
____+77=77+38
d+64=64+____
44+38+2247+93+23
12+51+88+949230+160+440+570
322+99+30157+631+13
87+72+13+28135+599
888-199150+280+420+850
840+380=380+____
63+____=27+____
(22+26)+44=22+(____+____)
130+(570+93)=(130+____)+____
____+83=83+46
d+47=47+____
52+41+5950+85+20
17+59+83+41210+50+850+390
324+35+16525+966+25
70+60+30+40851+399
948+199300+90+910+200
620+220=220+____
53+____=33+____
(70+32)+28=70+(____+____)
330+(470+36)=(330+____)+____
____+79=79+13
y+94=94+____
87+16+6462+75+28
77+72+23+228300+150+850+600
340+15+48576+274+24
71+53+29+47323+499
790+199240+200+400+460
730+360=360+____
87+____=10+____
320+(580+10)=(320+____)+____
____+53=53+26
s+18=18+____
10+38+2226+93+24
43+58+57+242280+30+670+420
921+51+74949+892+21
80+71+20+29665+499
986-99160+420+480+840
870+230=230+____
80+____=35+____
(48+13)+47=48+(____+____)
360+(340+81)=(360+____)+____
____+96=96+32
x+25=25+____
81+16+8479+23+11
54+78+46+222220+30+970+580
461+40+76068+333+12
42+65+58+35345+399
961+599160+200+600+540
600+120=120+____
68+____=40+____
(60+41)+49=60+(____+____)
110+(890+42)=(110+____)+____
____+52=52+14
t+21=21+____
67+35+6565+42+15
22+74+78+526190+10+690+210
457+24+97674+970+16
25+57+75+43550+199
974-99210+140+460+190
610+480=480+____
85+____=40+____
(53+27)+43=53+(____+____)
350+(250+92)=(350+____)+____
____+85=85+16
b+44=44+____
10+41+3960+82+20
14+74+86+126280+240+460+420
166+28+77273+843+27
89+66+11+34330+99
991+299290+240+460+610
770+340=340+____
64+____=17+____
(44+36)+34=44+(____+____)
260+(640+64)=(260+____)+____
____+94=94+40
n+87=87+____
33+12+6854+92+26
22+65+78+535100+350+350+800
693+99+90140+674+30
75+77+25+23873+699
634+199130+350+550+370
850+490=490+____
74+____=18+____
(51+13)+87=51+(____+____)
240+(660+97)=(240+____)+____
____+96=96+13
y+89=89+____
30+22+4820+74+30
43+67+57+233290+320+480+310
171+18+98275+799+15
80+59+20+41613+599
612-99260+330+470+140
770+430=430+____
61+____=26+____
(69+29)+71=69+(____+____)
150+(650+51)=(150+____)+____
____+92=92+24
y+35=35+____
37+49+5155+20+15
66+79+34+721260+340+560+640
547+23+57765+414+25
33+50+67+50809+99
731-399230+380+520+470
540+250=250+____
60+____=49+____
(90+23)+67=90+(____+____)
310+(390+37)=(310+____)+____
____+90=90+13
m+55=55+____
13+24+3654+37+26
75+60+25+540230+370+330+270
683+10+99031+274+29
31+57+69+43226+99
621+299240+40+560+660
930+460=460+____
54+____=29+____
(28+25)+45=28+(____+____)
340+(360+89)=(340+____)+____
____+74=74+23
n+66=66+____
81+16+4485+21+15
49+60+51+640230+480+320+470
346+40+76058+408+22
18+52+82+48654+499
605+99290+370+630+710
890+330=330+____
51+____=13+____
(53+17)+83=53+(____+____)
280+(720+69)=(280+____)+____
____+72=72+48
m+30=30+____
38+20+7039+85+21
27+76+73+624150+470+530+250
858+43+5773+131+27
74+71+26+29638+599
816-599160+10+690+640
670+110=110+____
65+____=45+____
(64+33)+67=64+(____+____)
100+(800+72)=(100+____)+____
____+58=58+40
m+41=41+____
18+37+5384+95+16
70+62+30+138200+170+730+600
196+16+78436+136+24
30+80+70+20291+199
793-599110+370+530+890
860+250=250+____
84+____=11+____
(99+42)+48=99+(____+____)
420+(380+18)=(420+____)+____
____+79=79+16
c+36=36+____
68+34+4688+76+12
26+53+74+847290+300+500+310
957+72+72831+764+19
67+63+33+37820+399
893+599120+380+220+280
750+390=390+____
60+____=13+____
(45+21)+69=45+(____+____)
160+(440+33)=(160+____)+____
____+50=50+26
x+91=91+____