四年级数学下册加法运算定律练习题精选38Word格式文档下载.docx
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____+92=92+26
d+51=51+____
18+25+7534+22+26
62+74+38+526300+50+850+200
746+44+65639+582+11
15+73+85+27679+499
652+399190+410+590+810
870+180=180+____
66+____=42+____
(68+18)+72=68+(____+____)
320+(380+85)=(320+____)+____
____+68=68+41
n+15=15+____
54+27+5339+48+11
16+79+84+921140+70+730+460
865+46+75487+922+13
61+58+39+42912+399
653-499250+450+250+150
790+460=460+____
92+____=34+____
(77+33)+37=77+(____+____)
140+(460+74)=(140+____)+____
____+78=78+42
n+42=42+____
79+10+5072+64+28
70+70+30+630230+110+790+170
729+16+48459+143+11
69+79+31+21899+799
825-499230+300+500+570
910+450=450+____
60+____=39+____
(96+14)+66=96+(____+____)
270+(630+59)=(270+____)+____
____+95=95+42
y+58=58+____
52+11+6962+59+18
90+57+10+543290+20+880+710
821+20+58061+414+19
13+72+87+28265+499
859-599250+320+280+750
580+250=250+____
60+____=31+____
(38+48)+52=38+(____+____)
170+(530+86)=(170+____)+____
____+78=78+30
s+50=50+____
48+13+8736+87+24
55+64+45+136200+190+710+200
863+14+18681+173+19
17+79+83+21482+599
829-299110+240+760+890
880+260=260+____
99+____=13+____
(16+30)+30=16+(____+____)
220+(480+75)=(220+____)+____
____+82=82+27
m+78=78+____
54+39+2147+21+13
74+61+26+239180+320+280+620
417+98+80273+843+17
48+79+52+21103+699
824+99200+180+720+300
610+450=450+____
58+____=43+____
(38+15)+45=38+(____+____)
200+(500+45)=(200+____)+____
____+77=77+16
c+43=43+____
58+47+1362+15+28
30+60+70+540260+440+560+740
767+52+74825+514+25
49+67+51+33157+299
700+599150+300+700+650
700+330=330+____
81+____=39+____
(43+38)+42=43+(____+____)
140+(660+78)=(140+____)+____
____+94=94+36
a+44=44+____
76+32+5882+27+18
82+52+18+748230+410+190+470
616+92+70832+456+28
45+55+55+45272+299
889-399280+310+690+220
530+110=110+____
67+____=17+____
(18+42)+38=18+(____+____)
340+(260+12)=(340+____)+____
____+54=54+11
a+91=91+____
83+23+5760+65+10
29+56+71+344270+90+710+230
410+15+28541+499+19
28+57+72+43387+299
737-399300+350+650+400
810+270=270+____
77+____=29+____
(93+34)+46=93+(____+____)
380+(520+77)=(380+____)+____
____+66=66+19
n+99=99+____
90+12+5884+19+16
82+65+18+735240+340+460+560
506+28+27262+339+28
19+62+81+38314+199
949+499250+390+510+450
630+280=280+____
89+____=39+____
(17+28)+42=17+(____+____)
480+(120+59)=(480+____)+____
____+67=67+26
x+65=65+____
30+14+8643+69+27
36+74+64+726170+170+630+630
490+68+63256+661+14
40+65+60+35515+999
845+399290+30+970+610
590+320=320+____
56+____=30+____
(95+43)+37=95+(____+____)
330+(570+59)=(330+____)+____
____+89=89+18
d+90=90+____
65+19+5161+76+19
31+68+69+432270+370+330+730
775+18+58259+965+21
39+72+61+28900+99
784-199260+160+840+740
580+230=230+____
51+____=30+____
(28+37)+23=28+(____+____)
310+(390+64)=(310+____)+____
____+92=92+47
a+88=88+____
57+22+7823+86+27
43+70+57+430180+200+700+720
271+38+66263+986+27
88+65+12+35467+799
825-299220+80+920+480
870+290=290+____
97+____=43+____
(95+14)+76=95+(____+____)
270+(730+90)=(270+____)+____
____+55=55+24
c+84=84+____
38+35+4558+89+12
65+63+35+737280+210+690+320
331+97+70331+564+29
20+55+80+45605+199
709-99120+90+710+880
720+490=490+____
75+____=18+____
(61+18)+62=61+(____+____)
490+(310+98)=(490+____)+____
____+55=55+13
t+57=57+____
16+13+5761+76+29
44+77+56+223260+80+720+340
654+90+1079+178+21
41+72+59+28174+999
833-199150+80+820+650
930+460=460+____
70+____=18+____
(51+46)+34=51+(____+____)
100+(500+46)=(100+____)+____
____+58=58+10
y+92=92+____
73+17+5354+72+16
61+56+39+344280+120+880+120
542+66+93442+694+18
56+80+44+20581+199
608+399190+220+680+510
620+150=150+____
76+____=29+____
(31+22)+58=31+(____+____)
480+(220+77)=(480+____)+____
____+54=54+21
b+62=62+____