四年级数学下册加法运算定律练习题精选15Word格式.docx
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____+67=67+11
d+70=70+____
19+30+7027+88+23
48+59+52+341190+110+490+410
950+10+49059+897+11
22+55+78+45346+599
698-99210+390+310+390
700+100=100+____
76+____=20+____
(27+22)+68=27+(____+____)
430+(570+76)=(430+____)+____
____+77=77+35
y+68=68+____
70+36+4451+76+19
61+69+39+231220+390+610+180
820+27+47382+791+18
23+73+77+27634+399
805+99180+30+870+820
770+210=210+____
52+____=28+____
(27+43)+37=27+(____+____)
440+(260+98)=(440+____)+____
____+50=50+24
n+78=78+____
38+42+1870+38+30
85+62+15+938220+240+660+680
491+81+81949+421+21
26+59+74+41883+199
817-299230+470+130+270
770+350=350+____
52+____=40+____
(76+43)+37=76+(____+____)
240+(760+15)=(240+____)+____
____+78=78+30
m+96=96+____
58+42+1856+72+24
45+75+55+425300+420+480+600
645+61+33966+800+14
11+53+89+47962+499
947+299200+270+630+500
700+240=240+____
94+____=42+____
(49+48)+22=49+(____+____)
430+(470+37)=(430+____)+____
____+71=71+10
t+53=53+____
84+23+6742+95+28
33+55+67+645110+120+680+890
851+73+72752+121+28
19+56+81+44536+799
970+99240+130+870+160
710+240=240+____
60+____=11+____
(24+34)+36=24+(____+____)
180+(520+89)=(180+____)+____
____+54=54+18
y+19=19+____
76+25+5579+73+11
41+61+59+439220+200+800+680
300+12+38859+471+11
19+75+81+25570+99
627-199110+380+620+490
650+360=360+____
84+____=37+____
(82+36)+44=82+(____+____)
390+(610+69)=(390+____)+____
____+85=85+35
a+91=91+____
71+10+9046+44+24
37+76+63+224110+210+390+590
695+73+22741+141+29
19+63+81+37220+799
683-399230+70+730+270
560+140=140+____
89+____=31+____
(88+10)+70=88+(____+____)
480+(220+90)=(480+____)+____
____+87=87+14
y+21=21+____
49+36+5450+91+20
17+54+83+346110+160+640+590
618+47+5367+375+23
59+78+41+22396+899
834+199230+450+250+570
550+460=460+____
69+____=45+____
(87+35)+45=87+(____+____)
410+(490+94)=(410+____)+____
____+98=98+38
b+45=45+____
47+46+2487+47+13
63+58+37+242280+120+480+620
896+68+63264+403+26
74+51+26+49855+399
667-299230+50+750+670
820+340=340+____
54+____=42+____
(48+17)+63=48+(____+____)
230+(370+82)=(230+____)+____
____+80=80+44
t+76=76+____
65+33+3768+58+12
50+79+50+721230+250+750+470
782+86+21465+282+15
25+70+75+30455+699
771-99270+390+210+630
680+410=410+____
56+____=33+____
(39+47)+43=39+(____+____)
380+(620+93)=(380+____)+____
____+92=92+48
x+77=77+____
66+12+4865+10+25
23+57+77+943160+500+400+540
725+53+34742+522+18
18+57+82+43522+199
718-599210+150+850+790
920+210=210+____
93+____=33+____
(25+41)+29=25+(____+____)
220+(380+75)=(220+____)+____
____+77=77+24
b+30=30+____
98+10+8052+18+28
87+63+13+737210+10+690+490
745+47+5373+992+17
27+73+73+27832+199
994+99130+420+480+770
580+490=490+____
67+____=42+____
(90+34)+66=90+(____+____)
170+(830+78)=(170+____)+____
____+51=51+26
t+89=89+____
29+26+3461+31+29
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35+53+65+47713+99
622+299240+100+800+260
590+150=150+____
88+____=27+____
(61+47)+53=61+(____+____)
380+(320+35)=(380+____)+____
____+80=80+45
t+87=87+____
11+32+6875+30+15
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793+81+41944+848+26
70+70+30+30666+199
995+299260+390+210+540
810+100=100+____
57+____=26+____
(20+43)+47=20+(____+____)
420+(480+91)=(420+____)+____
____+59=59+36
c+24=24+____
47+26+4475+66+15
79+73+21+727280+350+450+320
711+48+55275+141+15
70+60+30+40275+599
808-99250+450+450+550
770+360=360+____
91+____=40+____
(76+32)+28=76+(____+____)
220+(780+41)=(220+____)+____
____+64=64+45
d+18=18+____
31+27+4370+75+20
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644+28+27263+699+27
57+53+43+47518+99
804+99230+410+290+470
690+370=370+____
73+____=30+____
(17+46)+24=17+(____+____)
300+(500+59)=(300+____)+____
____+81=81+34
m+14=14+____