人教版四年级数学下册加法运算定律练习题精选88Word格式文档下载.docx
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777-28-10-62565-165-70-30
8+9+10+…+25+26+27
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27-26+25-24+…+11-10+9-8
11+58-24+42+89
550+260=260+____
90+____=12+____
624-26-74=624〇(26+____)
(39+17)+63=39+(____+____)
340+(360+16)=(340+____)+____
____+60=60+29
653-16-84=____〇(____〇____)
s+56=56+____
26+47+2359+51+21
485-42-58487-11-287
132+37+26353+556+17
36+79+64+21260+350+350+340
507-13-14-73940-140-36-64
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840+290=290+____
58+____=48+____
138-54-46=138〇(54+____)
(59+14)+46=59+(____+____)
440+(460+22)=(440+____)+____
____+99=99+49
635-82-18=____〇(____〇____)
a+47=47+____
28+22+5834+17+26
482-55-45463+54-263
214+71+92930+484+20
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512-12-12-76984-784-21-79
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620+180=180+____
96+____=22+____
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(36+17)+83=36+(____+____)
430+(470+85)=(430+____)+____
____+62=62+20
873-82-18=____〇(____〇____)
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830+160=160+____
95+____=23+____
840-62-38=840〇(62+____)
(36+24)+46=36+(____+____)
130+(570+27)=(130+____)+____
____+70=70+47
251-76-24=____〇(____〇____)
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758-65-35942-62-442
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302-17-11-72859-559-21-79
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____+62=62+25
405-40-60=____〇(____〇____)
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460+(140+78)=(460+____)+____
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888-47-53=____〇(____〇____)
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470-21-29-50616-216-61-39
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440+(260+55)=(440+____)+____
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525-58-42=____〇(____〇____)
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558-30-30-40593-393-80-20
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140+(460+16)=(140+____)+____
____+80=80+17
347-38-62=____〇(____〇____)
94+35+6531+59+29
956-74-26736-60-536
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636-33-27-40756-556-33-67
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78+____=47+____
138-58-42=138〇(58+____)
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360+(240+84)=(360+____)+____
____+95=95+33
642-78-22=____〇(____〇____)
c+29=29+____
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292-31-69823-12-123
975+24+67676+357+24
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838-26-10-64535-235-79-21
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