人教版四年级数学下册加法运算定律练习题26Word文档格式.docx
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12+19+7159+51+21
26+79+74+421270+390+610+730
475+23+57770+579+30
73+79+27+21145+499
813-199180+400+400+620
700+270=270+____
77+____=41+____
(60+29)+61=60+(____+____)
130+(570+54)=(130+____)+____
____+65=65+26
t+68=68+____
34+38+6250+13+30
26+72+74+228150+460+340+850
775+86+91425+870+25
54+50+46+50389+799
787+399240+20+580+660
910+300=300+____
97+____=18+____
(44+21)+39=44+(____+____)
280+(620+19)=(280+____)+____
____+55=55+21
m+47=47+____
73+34+6631+46+29
59+53+41+447120+350+250+280
259+95+10525+653+25
69+67+31+33972+399
812+499150+370+430+450
790+420=420+____
81+____=47+____
(30+45)+15=30+(____+____)
290+(610+39)=(290+____)+____
____+70=70+38
s+47=47+____
78+37+6372+52+18
56+71+44+129160+50+550+640
148+41+35940+941+20
85+77+15+23441+699
895+499260+420+580+140
920+150=150+____
60+____=35+____
(61+33)+27=61+(____+____)
160+(440+75)=(160+____)+____
____+69=69+19
c+29=29+____
45+37+6327+85+23
72+63+28+37210+210+790+290
965+57+84345+853+15
26+55+74+45622+99
763+99180+110+790+420
930+190=190+____
93+____=15+____
(48+20)+80=48+(____+____)
190+(710+80)=(190+____)+____
____+69=69+36
m+44=44+____
95+21+4951+75+29
52+70+48+730130+410+590+470
553+61+63960+703+10
51+80+49+20429+999
907+599280+110+790+620
530+430=430+____
56+____=11+____
(34+49)+31=34+(____+____)
480+(120+48)=(480+____)+____
____+55=55+12
x+82=82+____
21+44+4674+37+26
35+63+65+637110+20+980+890
835+93+30761+131+29
48+73+52+27120+599
892-99120+20+780+480
910+360=360+____
51+____=34+____
(22+24)+56=22+(____+____)
320+(580+45)=(320+____)+____
____+63=63+24
a+78=78+____
58+15+4540+82+30
78+50+22+150290+100+900+310
468+59+84178+371+22
61+60+39+40689+199
778-599170+180+420+330
550+470=470+____
93+____=20+____
(31+19)+61=31+(____+____)
460+(540+51)=(460+____)+____
____+52=52+24
c+90=90+____
70+44+2639+41+21
68+75+32+125260+500+200+440