人教版四年级数学下册加法运算定律练习题128Word文档格式.docx
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____+75=75+22
b+42=42+____
81+46+3443+68+27
19+77+81+723220+270+730+780
860+65+43537+711+13
82+74+18+26610+199
811-399250+210+590+750
820+310=310+____
92+____=35+____
(30+35)+45=30+(____+____)
480+(420+51)=(480+____)+____
____+67=67+14
a+82=82+____
61+45+4532+91+28
84+78+16+422160+120+880+340
683+87+91375+482+25
34+70+66+30163+899
926+599200+10+690+400
900+100=100+____
73+____=43+____
(94+27)+33=94+(____+____)
150+(650+60)=(150+____)+____
____+51=51+38
m+11=11+____
31+29+6158+56+22
42+69+58+331110+30+570+590
935+87+71385+851+15
30+62+70+38331+299
656-399160+40+560+440
530+190=190+____
86+____=17+____
(23+44)+26=23+(____+____)
440+(360+37)=(440+____)+____
____+59=59+27
x+99=99+____
71+46+4464+51+26
52+71+48+529160+80+620+240
164+37+46369+405+21
46+57+54+43515+299
964-199300+260+540+700
970+370=370+____
60+____=28+____
(81+48)+52=81+(____+____)
400+(300+40)=(400+____)+____
____+51=51+20
a+47=47+____
18+40+6031+39+19
69+73+31+327100+430+470+400
750+78+72285+838+15
31+52+69+48745+199
960+99220+370+430+380
680+270=270+____
99+____=22+____
(28+14)+46=28+(____+____)
330+(470+53)=(330+____)+____
t+61=61+____
31+17+5358+36+22
84+72+16+728140+130+770+360
378+62+3889+290+11
32+80+68+20922+699
755+99100+440+160+400
830+190=190+____
76+____=43+____
(40+23)+77=40+(____+____)
110+(590+87)=(110+____)+____
____+54=54+25
s+57=57+____
23+23+4770+60+30
12+57+88+643140+180+420+860
715+37+46368+747+12
85+50+15+50626+899
658-199260+450+550+540
600+290=290+____
76+____=37+____
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310+(590+48)=(310+____)+____
____+72=72+18
c+75=75+____
53+12+5864+55+16
87+72+13+328300+280+420+500
575+23+67787+454+13
53+71+47+29771+499
656-599130+330+570+570
620+130=130+____
85+____=27+____
(62+37)+53=62+(____+____)
450+(350+87)=(450+____)+____
____+51=51+46
d+61=61+____
16+35+3536+30+14
44+51+56+149240+330+370+160
322+45+45588+478+12
42+65+58+35818+299
612+599250+380+220+550
690+400=400+____
99+____=19+____
(75+41)+19=75+(____+____)
490+(510+31)=(490+____)+____
____+62=62+15
m+18=18+____
24+29+7146+43+24
82+77+18+223280+50+950+620
465+30+27030+288+30
65+72+35+28598+399
817+299150+130+770+750
980+210=210+____
70+____=32+____
(79+48)+12=79+(____+____)
110+(590+30)=(110+____)+____
____+77=77+47
x+15=15+____
84+20+7059+29+21
51+55+49+845230+170+630+570
567+61+93980+216+10
13+60+87+40499+99
882+399200+480+220+200
690+230=230+____
52+____=16+____
(24+30)+50=24+(____+____)
180+(820+35)=(180+____)+____
____+76=76+41
y+99=99+____
67+49+2150+70+10
41+61+59+239270+60+640+630
335+64+83668+683+12
67+72+33+28258+499
810-299270+490+210+330
690+340=340+____
94+____=28+____
(35+46)+34=35+(____+____)
110+(490+81)=(110+____)+____
____+68=68+39
n+97=97+____
66+31+6925+33+25
90+59+10+941210+180+720+490
495+73+62756+458+24
64+74+36+26711+999
680-599220+290+710+680
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79+____=27+____
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450+(550+17)=(450+____)+____
____+80=80+11
t+14=14+____
92+12+7860+80+20
74+78+26+622300+20+880+600
204+74+52677+976+23
40+60+60+40468+399
837+399140+220+480+260
920+180=180+____
63+____=30+____
(16+14)+86=16+(____+____)
480+(320+47)=(480+____)+____
____+82=82+42
m+56=56+____
46+36+4435+42+15
66+80+34+820230+140+660+470
605+12+28876+591+24
46+57+54+43389+399
664+499250+380+620+650
810+170=170+____
79+____=33+____
(68+34)+66=68+(____+____)
160+(640+82)=(160+____)+____
____+96=96+10
m+47=47+____
14+19+5128+23+22
71+71+29+29230+70+730+370
801+33+86727+553+23
67+57+33+43693+899
989+199180+380+220+220
790+260=260+____
50+____=46+____
(37+37)+33=37+(____+____)
250+(350+98)=(250+____)+____
____+58=58+16
t+19=19+____