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.