四年级数学下册加法运算定律练习题精选3文档格式.docx
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62+38+2253+59+27
28+58+72+542290+150+850+210
782+25+77578+384+12
19+79+81+21377+199
907-299290+440+560+610
800+280=280+____
70+____=38+____
(59+14)+86=59+(____+____)
320+(580+70)=(320+____)+____
____+61=61+15
c+22=22+____
28+16+7470+27+10
33+53+67+347100+60+840+900
296+37+26351+229+29
68+50+32+50488+899
704-99150+230+370+550
760+480=480+____
89+____=32+____
(51+11)+59=51+(____+____)
380+(520+23)=(380+____)+____
____+90=90+11
b+82=82+____
73+14+5658+97+12
47+62+53+838130+420+380+870
150+90+41062+538+28
43+55+57+45230+499
654-99240+460+240+760
630+410=410+____
73+____=23+____
(62+23)+47=62+(____+____)
200+(800+83)=(200+____)+____
____+99=99+20
c+95=95+____
56+49+4131+61+29
30+77+70+223230+440+160+770
784+65+53556+115+24
76+70+24+30182+399
906+499280+230+470+320
900+310=310+____
55+____=27+____
(28+25)+35=28+(____+____)
190+(610+33)=(190+____)+____
____+95=95+46
y+90=90+____
27+34+2641+50+19
66+78+34+622240+130+570+360
895+83+1750+377+30
36+53+64+47609+799
667+299280+40+860+520
580+450=450+____
93+____=14+____
(85+22)+48=85+(____+____)
310+(290+30)=(310+____)+____
____+87=87+31
x+48=48+____
76+27+6353+92+27
16+70+84+230160+190+510+740
623+35+16556+922+24
68+80+32+20958+699
671-199230+150+450+370
700+170=170+____
50+____=39+____
(20+43)+27=20+(____+____)
230+(570+13)=(230+____)+____
____+88=88+41
d+56=56+____
97+13+4747+14+13
44+64+56+736220+170+630+180
542+61+43978+284+22
64+59+36+41742+499
615+399240+500+200+460
560+440=440+____
54+____=33+____
(65+16)+84=65+(____+____)
160+(840+47)=(160+____)+____
____+95=95+29
d+95=95+____
60+37+2342+26+18
65+59+35+441250+100+700+150
894+64+73643+526+17
42+72+58+28304+899
815-99240+310+390+460
890+240=240+____
67+____=32+____
(63+46)+54=63+(____+____)
200+(500+29)=(200+____)+____
____+94=94+42
a+41=41+____
82+10+7070+75+10
79+64+21+636210+220+480+690