人教版四年级数学下册加法运算定律练习题131Word文档下载推荐.docx
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____+70=70+27
b+57=57+____
22+16+8439+42+21
23+63+77+737130+360+540+470
134+38+66228+473+22
14+52+86+48625+299
873-99140+420+280+860
720+380=380+____
79+____=47+____
(98+21)+79=98+(____+____)
100+(500+52)=(100+____)+____
____+90=90+29
b+50=50+____
51+43+2757+48+13
35+67+65+833150+310+390+650
816+63+63728+299+22
84+75+16+25312+199
927+399290+30+870+110
570+410=410+____
95+____=26+____
(82+37)+23=82+(____+____)
460+(240+15)=(460+____)+____
____+88=88+39
b+75=75+____
79+23+6737+79+23
87+78+13+922220+180+820+480
521+23+87724+497+26
27+80+73+20211+399
827+399290+140+760+510
780+270=270+____
68+____=34+____
(54+27)+53=54+(____+____)
180+(720+15)=(180+____)+____
____+98=98+32
n+22=22+____
54+29+4156+80+14
67+59+33+541150+270+430+850
545+41+15950+138+30
55+74+45+26766+499
803-499220+200+600+380
900+230=230+____
51+____=14+____
(67+18)+62=67+(____+____)
260+(540+58)=(260+____)+____
____+68=68+48
x+47=47+____
39+43+5742+71+18
23+70+77+930300+320+480+100
401+60+24042+445+28
71+68+29+32118+99
898+399150+450+350+450
760+110=110+____
93+____=33+____
(23+39)+31=23+(____+____)
230+(670+89)=(230+____)+____
____+78=78+17
x+11=11+____
45+10+7051+75+29
55+66+45+434170+220+580+630
304+37+56363+341+27
54+70+46+30911+999
719-499280+250+550+620
650+270=270+____
78+____=37+____
(66+33)+27=66+(____+____)
380+(420+91)=(380+____)+____
____+69=69+37
d+77=77+____
71+11+6964+74+16
77+60+23+340140+30+670+860
754+36+26463+685+27
12+56+88+44121+799
957+499210+420+180+190
520+290=290+____
70+____=31+____
(75+23)+77=75+(____+____)
390+(210+84)=(390+____)+____
____+94=94+39
y+75=75+____
12+41+4957+53+13
82+60+18+40200+280+620+500
924+23+27735+345+15
27+51+73+49199+499
673-299120+410+390+380
620+220=220+____
63+____=16+____
(17+47)+43=17+(____+____)
460+(140+65)=(460+____)+____
____+71=71+39
d+85=85+____
35+10+6035+61+15
74+73+26+27100+140+760+900
913+35+26533+974+27
43+67+57+33402+299
613-99230+60+640+570
500+140=140+____
75+____=35+____
(82+34)+36=82+(____+____)
290+(610+70)=(290+____)+____
____+65=65+14
n+40=40+____
97+24+4669+43+21
13+55+87+845190+190+410+810
136+45+25571+618+29
63+59+37+41874+999
932+599280+430+470+720
620+180=180+____
52+____=49+____
(69+27)+63=69+(____+____)
350+(250+77)=(350+____)+____
____+85=85+16
s+47=47+____
22+19+4182+11+18
74+75+26+625220+390+510+180
267+21+87953+641+17
63+69+37+31877+499
755-399110+80+620+290
800+220=220+____
74+____=21+____
(23+38)+62=23+(____+____)
380+(620+40)=(380+____)+____
____+59=59+20
n+30=30+____
23+21+7939+68+21
66+51+34+449240+310+290+460
563+25+27539+559+11
55+72+45+28815+799
762+199120+290+710+480
500+390=390+____
97+____=23+____
(37+17)+73=37+(____+____)
160+(540+60)=(160+____)+____
____+98=98+19
n+32=32+____
71+47+1366+24+24
70+62+30+938210+10+690+190
300+54+84670+175+20
36+51+64+49865+199
964+399190+420+480+810
560+170=170+____
50+____=16+____
(15+17)+53=15+(____+____)
220+(580+98)=(220+____)+____
____+77=77+34
m+51=51+____
99+46+4431+82+29
51+60+49+740120+410+190+680
422+49+65172+995+28
25+69+75+31344+299
968-299210+390+210+190
890+390=390+____
80+____=11+____
(50+43)+47=50+(____+____)
120+(880+49)=(120+____)+____
____+52=52+17
y+77=77+____
57+43+4739+40+21
23+59+77+441150+190+710+650
919+41+85931+904+19
51+69+49+31696+99
886-199120+160+440+880
820+390=390+____
88+____=23+____
(70+33)+67=70+(____+____)
350+(350+47)=(350+____)+____
____+68=68+31
s+78=78+____
88+27+3358+70+22
46+79+54+321100+160+440+800
911+98+30257+581+23
36+78+64+22459+799
841+199180+230+470+320
970+290=290+____
92+____=21+____
(15+24)+56=15+(____+____)
170+(530+43)=(170+____)+____
____+94=94+13
m+73=73+____