人教版四年级数学下册加法运算定律练习题42Word文档下载推荐.docx
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人教版四年级数学下册加法运算定律练习题42Word文档下载推荐.docx
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____+78=78+40
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43+25+5554+85+26
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126+61+33989+257+11
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706-299170+160+840+630
610+140=140+____
54+____=30+____
(10+43)+57=10+(____+____)
260+(440+27)=(260+____)+____
____+87=87+43
n+29=29+____
36+33+3739+76+11
65+59+35+541100+80+920+600
549+36+26451+185+29
88+63+12+37856+999
615+99220+10+690+380
840+280=280+____
62+____=12+____
(96+45)+25=96+(____+____)
180+(620+69)=(180+____)+____
____+69=69+47
t+23=23+____
76+10+6078+38+12
22+57+78+143150+210+490+850
254+54+94639+175+21
67+70+33+30297+899
881-199100+10+890+300
560+310=310+____
81+____=22+____
(75+33)+47=75+(____+____)
250+(750+90)=(250+____)+____
____+50=50+39
a+38=38+____
94+20+5073+18+27
35+69+65+331190+20+580+210
189+73+52750+433+20
18+78+82+22141+799
731-599110+260+440+490
580+210=210+____
71+____=45+____
(43+11)+49=43+(____+____)
160+(640+81)=(160+____)+____
____+76=76+18
t+58=58+____
56+15+8573+70+27
28+74+72+926100+380+220+600
769+76+72421+358+29
10+70+90+30427+699
951-399130+450+250+670
900+120=120+____
74+____=34+____
(21+28)+42=21+(____+____)
330+(470+52)=(330+____)+____
____+89=89+30
x+13=13+____
56+16+6434+57+26
87+56+13+744300+360+240+400
941+64+43652+876+28
52+61+48+39652+599
798-499180+140+460+420
620+230=230+____
98+____=19+____
(82+41)+39=82+(____+____)
260+(740+40)=(260+____)+____
____+87=87+29
c+56=56+____
90+14+5624+29+26
59+55+41+845170+440+560+530
487+16+98459+601+21
40+78+60+22962+999
889+599250+290+310+450
930+420=420+____
79+____=40+____
(75+34)+56=75+(____+____)
470+(230+11)=(470+____)+____
____+54=54+36
m+81=81+____
24+46+1422+56+28
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806+34+16682+793+18
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972+199260+120+480+740
980+120=120+____
65+____=16+____
(89+28)+42=89+(____+____)
170+(430+83)=(170+____)+____
____+52=52+43
y+45=45+____
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750+480=480+____
72+____=39+____
(78+14)+86=78+(____+____)
390+(310+10)=(390+____)+____
____+69=69+13
x+89=89+____
72+19+5175+52+15
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536+13+88757+713+23
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677+599270+280+520+330
790+120=120+____
82+____=10+____
(12+13)+67=12+(____+____)
490+(110+32)=(490+____)+____
____+78=78+32
m+96=96+____
97+11+8962+99+18
81+56+19+244270+470+230+630
484+58+34277+361+13
36+66+64+34254+699
980-599250+270+430+650
920+120=120+____
73+____=44+____
(15+46)+14=15+(____+____)
240+(560+87)=(240+____)+____
____+92=92+23
55+15+8570+42+30
40+59+60+341200+160+640+300
305+92+60859+930+21
52+70+48+30896+799
692-99190+340+260+410
810+240=240+____
64+____=17+____
(53+42)+48=53+(____+____)
250+(750+44)=(250+____)+____
____+66=66+35
m+71=71+____
56+48+3236+19+24
24+59+76+41150+310+390+650
368+39+66164+912+26
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831+599240+490+410+460
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79+____=30+____
(29+32)+58=29+(____+____)
430+(370+43)=(430+____)+____
____+64=64+25
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73+24+4668+31+22
43+78+57+522200+420+180+500
703+32+6841+416+29
76+59+24+41619+899
912+399300+310+490+300
580+230=230+____
99+____=37+____
(17+13)+47=17+(____+____)
350+(550+89)=(350+____)+____
____+59=59+49
s+62=62+____
34+21+7942+26+28
89+62+11+838220+10+990+280
427+57+4350+263+10
83+74+17+26137+199
751+199120+360+640+380
630+440=440+____
62+____=35+____
(35+44)+56=35+(____+____)
390+(410+96)=(390+____)+____
____+96=96+44
x+73=73+____
70+16+4458+10+22
74+60+26+940200+400+500+600
612+58+54259+143+21
30+54+70+46250+199
677+99160+420+280+740
580+340=340+____
72+____=16+____
(53+22)+58=53+(____+____)
160+(840+21)=(160+____)+____
____+80=80+25
c+65=65+____
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