作业帮有理数的运算练习题(一)填空4．23-17-(+23)=______．5．-7-9+(-13)=______．6．-11+|12-(39-8)|=______．7．-9-|5-(9-45)|=______．8．-5.6+4.7-|-3.8-3.8｜=______．9．-|-0.2|+[0.6-(0.8-5.4)]=______．12．9.53-8-(2-|-11.64+1.53-1.36|)=
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有理数的运算练习题(一)填空4．23-17-(+23)=______．5．-7-9+(-13)=______．6．-11+|12-(39-8)|=______．7．-9-|5-(9-45)|=______．8．-5.6+4.7-|-3.8-3.8｜=______．9．-|-0.2|+[0.6-(0.8-5.4)]=______．12．9.53-8-(2-|-11.64+1.53-1.36|)=
有理数的运算练习题
(一)填空
4．23-17-(+23)=______．
5．-7-9+(-13)=______．
6．-11+|12-(39-8)|=______．
7．-9-|5-(9-45)|=______．
8．-5.6+4.7-|-3.8-3.8｜=______．
9．-|-0.2|+[0.6-(0.8-5.4)]=______．
12．9.53-8-(2-|-11.64+1.53-1.36|)=______．
13．73.17-(812.03-|219.83+518|)=______．
25．已知2.342=5.476,那么-0.13×(-234)2=______．
26．若有理数m＜n＜0,则m3•n2的符号为______．
28．935的末位数字是______．
32．(37-34)5÷64×(-82)=______．
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有理数的运算练习题(一)填空4．23-17-(+23)=______．5．-7-9+(-13)=______．6．-11+|12-(39-8)|=______．7．-9-|5-(9-45)|=______．8．-5.6+4.7-|-3.8-3.8｜=______．9．-|-0.2|+[0.6-(0.8-5.4)]=______．12．9.53-8-(2-|-11.64+1.53-1.36|)=
4．23-17-(+23)=___23-17-23=-17___．
5．-7-9+(-13)=__-7-9-13_=-29___．
6．-11+|12-(39-8)|=__-11+|12-31|=-11+19=8____．
7．-9-|5-(9-45)|=-9-|5+36|=-9-41=-50______．
8．-5.6+4.7-|-3.8-3.8｜=__-5.6+4.7-|-7.6|=-5.6+4.7-7.6=-8.5__．
9．-|-0.2|+[0.6-(0.8-5.4)]=_-0.2_+[0.6+4.6}=-0.2+5.2=5____．
12．9.53-8-(2-|-11.64+1.53-1.36|)=__1.53-(2-|-13+1.53|)=1.53-2+|13-1.53|=1.53-2+13-1.53=11____．
13．73.17-(812.03-|219.83+518|)=__73.17-812.03+219.83+518=293+518-812.03=_811-812.03=-1.03___．
25．已知2.342=5.476,那么-0.13×(-234)2=______．
26．若有理数m＜n＜0,则m3•n2的符号为___小于0___．
28．935的末位数字是___5___．
32．(37-34)5÷64×(-82)=______．
楼主,25和32题看不懂.