四年级数学下册加法运算定律练习题精选11Word文件下载.docx
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四年级数学下册加法运算定律练习题精选11Word文件下载.docx
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360+(240+30)=(360+____)+____
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530+350=350+____
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460+(440+85)=(460+____)+____
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690+190=190+____
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370+(430+58)=(370+____)+____
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110+(690+61)=(110+____)+____
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390+(610+27)=(390+____)+____
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430+(470+77)=(430+____)+____
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260+(440+74)=(260+____)+____
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390+(210+24)=(390+____)+____
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811-399270+270+530+230
580+380=380+____
58+____=26+____
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160+(740+25)=(160+____)+____
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843+199240+350+350+560
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59+____=34+____
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410+(490+71)=(410+____)+____
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- 四年级 数学 下册 加法 运算 定律 练习题 精选 11
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