四年级数学下册加法运算定律练习题精选11Word文件下载.docx
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____+61=61+29
b+45=45+____
24+20+8056+64+24
51+72+49+328270+330+270+230
111+26+77451+734+19
54+58+46+42402+999
767-99270+370+530+230
600+130=130+____
86+____=19+____
(28+38)+22=28+(____+____)
360+(240+30)=(360+____)+____
____+78=78+48
t+41=41+____
19+22+4867+91+23
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571+46+85472+500+18
44+65+56+35760+399
734-599240+30+970+460
530+350=350+____
89+____=17+____
(80+14)+66=80+(____+____)
310+(290+87)=(310+____)+____
____+62=62+27
y+74=74+____
44+27+5351+76+29
13+51+87+549140+440+360+760
493+97+351+322+29
59+50+41+50413+299
989-199160+50+950+840
520+100=100+____
90+____=25+____
(28+19)+81=28+(____+____)
250+(350+81)=(250+____)+____
____+53=53+43
m+67=67+____
78+16+4464+41+26
42+55+58+145300+130+870+300
425+97+371+537+19
66+77+34+23189+199
828-499290+460+240+610
680+340=340+____
77+____=15+____
(45+33)+27=45+(____+____)
460+(440+85)=(460+____)+____
____+84=84+31
x+43=43+____
60+41+4980+35+10
62+51+38+849260+500+500+440
450+23+7761+265+29
28+77+72+23938+999
789-499190+400+500+510
690+190=190+____
79+____=37+____
(36+31)+69=36+(____+____)
370+(430+58)=(370+____)+____
____+96=96+27
d+50=50+____
18+14+8638+54+12
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859+16+88444+510+16
25+73+75+27144+999
791-399280+500+500+220
510+360=360+____
95+____=22+____
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110+(690+61)=(110+____)+____
____+77=77+28
t+34=34+____
51+49+3131+55+19
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920+399280+270+730+720
500+480=480+____
79+____=32+____
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390+(610+27)=(390+____)+____
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t+75=75+____
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67+56+33+44324+499
983-399210+200+400+590
980+370=370+____
56+____=20+____
(37+23)+47=37+(____+____)
320+(380+98)=(320+____)+____
____+51=51+49
c+49=49+____
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833+77+82370+913+20
88+55+12+45322+999
983-299130+390+610+570
940+110=110+____
53+____=39+____
(51+27)+73=51+(____+____)
420+(580+65)=(420+____)+____
____+89=89+24
m+19=19+____
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549+39+26148+305+12
82+73+18+27332+399
859-499240+140+660+260
690+440=440+____
91+____=39+____
(47+24)+36=47+(____+____)
480+(120+77)=(480+____)+____
____+80=80+15
s+69=69+____
43+15+8573+78+17
85+50+15+250170+470+130+230
853+80+72065+464+15
51+79+49+21568+399
825-299290+120+480+710
910+340=340+____
52+____=22+____
(69+16)+84=69+(____+____)
430+(470+77)=(430+____)+____
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b+29=29+____
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899-399270+60+940+430
740+490=490+____
97+____=21+____
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490+(110+13)=(490+____)+____
____+79=79+18
x+73=73+____
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840+599170+500+300+230
880+140=140+____
96+____=34+____
(26+34)+56=26+(____+____)
260+(440+74)=(260+____)+____
____+71=71+46
t+23=23+____
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191+52+54833+308+27
48+75+52+25401+699
629+499120+500+300+480
740+200=200+____
58+____=25+____
(61+35)+35=61+(____+____)
390+(210+24)=(390+____)+____
____+84=84+27
b+83=83+____
36+44+4662+29+28
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318+48+45260+976+20
77+58+23+42256+899
811-399270+270+530+230
580+380=380+____
58+____=26+____
(72+36)+44=72+(____+____)
160+(740+25)=(160+____)+____
____+98=98+13
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843+199240+350+350+560
720+180=180+____
59+____=34+____
(64+33)+27=64+(____+____)
410+(490+71)=(410+____)+____
____+89=89+39
y+47=47+____