四年级数学下册加法运算定律练习题精选1Word格式.docx
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____+51=51+13
t+65=65+____
86+41+3981+70+19
33+70+67+230260+430+270+440
973+99+40135+255+15
67+60+33+40409+399
605-199250+300+500+250
870+200=200+____
82+____=42+____
(35+19)+81=35+(____+____)
160+(440+85)=(160+____)+____
____+81=81+21
s+94=94+____
64+36+4479+94+21
16+72+84+928170+60+840+830
296+84+11661+907+19
88+77+12+23205+199
659-199150+310+290+850
810+460=460+____
97+____=21+____
(71+44)+26=71+(____+____)
180+(620+66)=(180+____)+____
____+98=98+47
y+30=30+____
55+43+5743+12+27
52+71+48+429220+130+570+580
814+74+32680+573+20
67+73+33+27301+599
953-199210+440+160+590
930+480=480+____
73+____=44+____
(25+14)+46=25+(____+____)
160+(740+99)=(160+____)+____
____+59=59+14
y+84=84+____
36+24+3647+90+13
52+61+48+639110+190+510+790
703+21+57933+683+17
35+75+65+25122+899
737-299240+440+460+160
500+380=380+____
58+____=12+____
(68+26)+74=68+(____+____)
430+(570+55)=(430+____)+____
____+77=77+11
d+47=47+____
69+19+8186+30+14
61+68+39+932170+100+800+230
899+71+12966+964+14
62+69+38+31244+499
971-99180+400+600+320
730+230=230+____
80+____=10+____
(59+25)+35=59+(____+____)
300+(700+27)=(300+____)+____
____+82=82+34
c+33=33+____
86+15+6583+20+17
77+57+23+643180+180+620+820
791+72+92828+486+22
70+68+30+32967+99
974+499120+290+410+380
640+150=150+____
79+____=17+____
(43+21)+69=43+(____+____)
310+(490+38)=(310+____)+____
____+71=71+44
b+81=81+____
65+31+5969+19+11
55+70+45+230150+390+510+250
869+93+80743+169+17
41+70+59+30257+199
856+499140+10+590+260
760+270=270+____
86+____=38+____
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490+(110+50)=(490+____)+____
____+81=81+46
y+73=73+____
24+43+2789+24+11
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923+53+54750+468+10
11+65+89+35224+599
945-599290+450+450+710
630+490=490+____
84+____=28+____
(38+31)+29=38+(____+____)
490+(210+40)=(490+____)+____
____+94=94+19
x+75=75+____
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69+59+31+41805+999
920+499200+360+240+600
650+280=280+____
92+____=40+____
(85+27)+63=85+(____+____)
130+(870+45)=(130+____)+____
____+96=96+34
y+36=36+____
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637+54+54642+709+18
35+54+65+46828+99
962+99160+430+370+440
740+370=370+____
50+____=35+____
(49+47)+13=49+(____+____)
390+(410+43)=(390+____)+____
____+78=78+48
a+40=40+____
88+30+3086+54+14
63+78+37+22110+50+650+690
825+57+54342+699+18
52+72+48+28695+999
814-499280+180+720+520
540+120=120+____
51+____=16+____
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120+(480+46)=(120+____)+____
____+98=98+38
c+40=40+____
30+49+1150+54+10
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725+499110+210+690+290
980+410=410+____
68+____=17+____
(56+40)+60=56+(____+____)
390+(210+41)=(390+____)+____
____+62=62+19
a+69=69+____
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32+60+68+40862+399
745-99100+30+570+500
640+370=370+____
73+____=30+____
(65+32)+58=65+(____+____)
430+(470+64)=(430+____)+____
____+93=93+23
n+68=68+____
77+45+4578+82+22
49+73+51+927180+120+680+220
723+53+84737+182+23
31+80+69+20206+599
978+399180+220+680+520
720+240=240+____
64+____=38+____
(26+48)+12=26+(____+____)
160+(640+88)=(160+____)+____
____+88=88+47
a+22=22+____
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398+64+93676+581+14
68+71+32+29922+999
932+99230+20+580+670
680+330=330+____
69+____=20+____
(24+49)+41=24+(____+____)
410+(190+23)=(410+____)+____
____+61=61+11
d+52=52+____
49+27+4359+17+21
44+80+56+520170+260+440+330
972+82+41872+359+18
70+79+30+21282+699
844-299170+400+500+330
500+370=370+____
80+____=28+____
(12+14)+46=12+(____+____)
120+(680+15)=(120+____)+____
____+68=68+35
m+37=37+____