四年级数学下册加法运算定律练习题精选4Word文件下载.docx
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____+56=56+30
b+74=74+____
17+43+1778+55+22
83+54+17+946180+180+620+820
247+61+23979+833+21
10+68+90+32859+799
809+499250+430+570+250
910+100=100+____
76+____=45+____
(64+30)+40=64+(____+____)
220+(580+88)=(220+____)+____
____+96=96+48
m+97=97+____
79+42+4840+78+20
66+80+34+20210+350+350+790
793+46+25465+731+15
54+67+46+33850+999
742-499240+120+480+260
570+360=360+____
76+____=16+____
(21+17)+43=21+(____+____)
220+(680+41)=(220+____)+____
____+78=78+41
a+90=90+____
43+40+5054+17+16
79+66+21+834140+110+490+560
761+15+68570+435+10
46+55+54+45550+499
776+199150+100+800+650
930+260=260+____
54+____=33+____
(62+40)+40=62+(____+____)
220+(580+80)=(220+____)+____
____+57=57+48
x+72=72+____
78+43+2746+28+14
48+62+52+138160+410+590+540
469+51+84931+841+19
12+72+88+28210+399
853-399180+490+210+420
500+110=110+____
95+____=23+____
(70+28)+32=70+(____+____)
300+(500+98)=(300+____)+____
____+50=50+17
t+76=76+____
47+43+3787+79+13
46+51+54+649290+260+340+310
573+26+97473+441+17
32+62+68+38972+399
882-299250+230+470+750
560+450=450+____
84+____=42+____
(33+10)+50=33+(____+____)
430+(170+72)=(430+____)+____
____+89=89+27
y+65=65+____
27+35+2566+99+14
35+72+65+128190+340+560+310
452+59+24165+585+15
14+79+86+21201+99
604-299290+40+660+710
690+160=160+____
69+____=43+____
(60+30)+30=60+(____+____)
420+(280+39)=(420+____)+____
____+50=50+38
t+54=54+____
25+17+7379+27+11
33+80+67+720210+260+740+690
434+72+82851+691+29
10+69+90+31230+799
911-299110+160+640+590
940+170=170+____
86+____=39+____
(73+38)+42=73+(____+____)
100+(900+62)=(100+____)+____
____+81=81+18
n+66=66+____
81+40+4055+77+25
44+56+56+144130+390+410+370
709+54+64633+122+27
23+68+77+32768+199
890+99250+180+420+550
980+350=350+____
95+____=26+____
(46+48)+12=46+(____+____)
490+(110+76)=(490+____)+____
____+90=90+42
x+73=73+____
49+36+2447+33+13
71+73+29+427250+120+680+750
914+72+2829+462+21
44+53+56+47991+999
754+599230+270+330+370
710+290=290+____
61+____=18+____
(42+36)+34=42+(____+____)
360+(440+76)=(360+____)+____
____+56=56+23
x+78=78+____
35+47+2364+21+26
36+67+64+333280+220+480+420
540+10+89042+906+28
79+61+21+39706+799
717-599280+240+660+620
860+300=300+____
98+____=44+____
(53+33)+27=53+(____+____)
270+(430+40)=(270+____)+____
____+51=51+44
a+49=49+____
40+39+6177+15+13
57+54+43+646220+100+900+480
789+43+75743+325+17
21+57+79+43131+599
778+299170+450+450+630
860+330=330+____
56+____=10+____
(61+17)+83=61+(____+____)
140+(760+57)=(140+____)+____
____+65=65+44
c+33=33+____
16+14+8685+80+15
80+62+20+938270+60+840+530
413+75+42539+780+21
49+71+51+29661+899
989+99120+480+420+880
970+460=460+____
83+____=25+____
(65+49)+11=65+(____+____)
360+(540+72)=(360+____)+____
____+78=78+49
c+65=65+____
78+39+6161+62+19
70+59+30+541130+70+730+770
356+55+54566+726+24
73+54+27+46387+699
823+599130+80+620+870
890+200=200+____
58+____=27+____
(35+12)+68=35+(____+____)
340+(460+34)=(340+____)+____
____+71=71+41
c+40=40+____
22+27+3378+33+12
89+50+11+650250+380+520+650
756+61+3942+949+28
37+60+63+40704+699
698+599210+160+540+690
610+250=250+____
81+____=44+____
(87+13)+47=87+(____+____)
380+(620+33)=(380+____)+____
____+87=87+16
c+82=82+____
10+17+7380+19+20
27+56+73+144100+460+540+300
928+55+14535+141+25
35+61+65+39691+299
684-599120+440+360+680
770+190=190+____
69+____=46+____
(88+21)+49=88+(____+____)
250+(450+47)=(250+____)+____
____+96=96+46
d+68=68+____
75+14+8670+66+20
12+64+88+936130+310+390+370
454+21+27942+952+18
20+60+80+40508+399
877-599230+480+420+770
990+150=150+____
68+____=40+____
(87+48)+42=87+(____+____)
270+(430+87)=(270+____)+____
____+73=73+23
a+59=59+____