人教版四年级数学下册加法运算定律练习题75Word文档格式.docx
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____+57=57+12
d+95=95+____
62+31+3959+30+21
29+54+71+346190+140+860+510
867+27+7374+281+26
18+71+82+29239+599
787-599190+240+660+410
850+200=200+____
53+____=10+____
(47+12)+88=47+(____+____)
480+(420+34)=(480+____)+____
____+96=96+20
a+74=74+____
58+43+3734+59+16
37+62+63+38100+30+870+800
165+85+71587+983+13
16+60+84+40501+299
825-299170+140+760+330
810+140=140+____
88+____=33+____
(30+47)+53=30+(____+____)
100+(900+54)=(100+____)+____
____+99=99+28
x+67=67+____
39+34+4681+10+19
10+61+90+139270+140+760+330
366+18+98247+670+13
45+52+55+48358+599
712-599220+480+120+480
850+450=450+____
80+____=32+____
(91+43)+47=91+(____+____)
450+(250+30)=(450+____)+____
____+77=77+48
t+54=54+____
77+42+4871+54+19
68+78+32+222280+190+710+520
375+28+67247+683+13
61+63+39+37761+99
875-499140+360+340+460
730+280=280+____
79+____=15+____
(79+48)+52=79+(____+____)
490+(310+88)=(490+____)+____
____+97=97+22
b+41=41+____
50+49+2150+71+10
10+57+90+243240+240+360+260
529+79+2159+760+11
78+53+22+47372+699
740+399180+30+570+620
580+450=450+____
82+____=24+____
(83+11)+89=83+(____+____)
150+(550+41)=(150+____)+____
____+96=96+38
b+19=19+____
67+18+8246+24+24
86+78+14+322180+60+540+520
395+15+48564+244+16
44+71+56+29304+699
922+599300+320+280+100
690+270=270+____
75+____=49+____
(96+24)+46=96+(____+____)
190+(810+76)=(190+____)+____
____+95=95+33
21+17+8360+66+30
43+80+57+820180+350+350+320
464+76+72433+866+27
41+78+59+22178+899
650+99140+150+650+760
660+210=210+____
98+____=30+____
(32+15)+45=32+(____+____)
290+(510+72)=(290+____)+____
____+86=86+46
a+67=67+____
66+44+4664+74+26
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698+73+62751+494+19
24+53+76+47241+399
979+599150+400+500+850
640+400=400+____
95+____=42+____
(50+13)+67=50+(____+____)
250+(450+32)=(250+____)+____
____+56=56+37
s+79=79+____
86+37+4353+61+17
51+70+49+130150+320+280+850
513+30+67039+970+21
88+60+12+40831+499
601+499110+370+230+690
880+320=320+____
60+____=37+____
(42+30)+50=42+(____+____)
470+(130+45)=(470+____)+____
____+94=94+29
y+88=88+____
63+45+4567+61+13
30+71+70+829280+430+570+520
451+45+95581+395+19
68+63+32+37817+799
855+399100+260+740+900
750+460=460+____
50+____=20+____
(94+23)+47=94+(____+____)
300+(300+29)=(300+____)+____
____+97=97+47
t+60=60+____
16+37+4333+24+17
79+55+21+545120+300+500+280
625+46+85430+541+20
11+53+89+47104+299
603-599180+440+260+820
520+360=360+____
83+____=33+____
(13+11)+89=13+(____+____)
190+(410+18)=(190+____)+____
____+57=57+20
b+66=66+____
10+48+1260+23+10
55+61+45+139300+190+410+400
725+20+48025+501+25
86+62+14+38576+899
983+299230+380+620+170
780+320=320+____
95+____=20+____
(81+45)+15=81+(____+____)
300+(500+72)=(300+____)+____
____+69=69+24
x+73=73+____
26+14+6673+49+27
27+80+73+720180+480+120+520
617+37+66353+277+17
61+68+39+32913+399
883-99250+200+500+150
790+130=130+____
90+____=48+____
(67+13)+57=67+(____+____)
490+(110+65)=(490+____)+____
____+53=53+19
y+78=78+____
47+10+9030+43+30
48+53+52+447210+280+720+590
890+32+16839+543+21
81+56+19+44584+999
950-299140+90+610+260
700+100=100+____
94+____=33+____
(71+23)+47=71+(____+____)
370+(430+92)=(370+____)+____
____+80=80+36
d+52=52+____
37+40+3048+98+12
17+54+83+646120+420+380+480
129+91+20987+686+13
67+76+33+24725+299
876-399180+440+460+220
730+100=100+____
80+____=36+____
(53+12)+48=53+(____+____)
330+(270+51)=(330+____)+____
____+71=71+26
x+35=35+____
51+43+2770+54+10
56+54+44+646280+170+430+320
405+94+40676+174+14
60+53+40+47785+499
645-599160+80+520+740
880+130=130+____
65+____=32+____
(84+10)+60=84+(____+____)
260+(540+17)=(260+____)+____
____+92=92+31
y+27=27+____