关于有理数的乘法 填空题噢噢噢噢1.计算:-6/7×(-1又2/5)=___________2.计算:(+3.4)×(-1又1/6)=______________3.|a|=3,|b|=2,ab>0,则a+b=________________4.ab0,并且|a|>|b|,则a______0,b________0再加一道啊5.当X>0
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 22:27:19
![关于有理数的乘法 填空题噢噢噢噢1.计算:-6/7×(-1又2/5)=___________2.计算:(+3.4)×(-1又1/6)=______________3.|a|=3,|b|=2,ab>0,则a+b=________________4.ab0,并且|a|>|b|,则a______0,b________0再加一道啊5.当X>0](/uploads/image/z/8956672-16-2.jpg?t=%E5%85%B3%E4%BA%8E%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E4%B9%98%E6%B3%95+%E5%A1%AB%E7%A9%BA%E9%A2%98%E5%99%A2%E5%99%A2%E5%99%A2%E5%99%A21.%E8%AE%A1%E7%AE%97%EF%BC%9A-6%2F7%C3%97%EF%BC%88-1%E5%8F%882%2F5%EF%BC%89%3D___________2.%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%88%2B3.4%EF%BC%89%C3%97%EF%BC%88-1%E5%8F%881%2F6%EF%BC%89%3D______________3.%7Ca%7C%3D3%2C%7Cb%7C%3D2%2Cab%3E0%2C%E5%88%99a%2Bb%3D________________4.ab0%2C%E5%B9%B6%E4%B8%94%7Ca%7C%3E%7Cb%7C%2C%E5%88%99a______0%2Cb________0%E5%86%8D%E5%8A%A0%E4%B8%80%E9%81%93%E5%95%8A5.%E5%BD%93X%3E0)
关于有理数的乘法 填空题噢噢噢噢1.计算:-6/7×(-1又2/5)=___________2.计算:(+3.4)×(-1又1/6)=______________3.|a|=3,|b|=2,ab>0,则a+b=________________4.ab0,并且|a|>|b|,则a______0,b________0再加一道啊5.当X>0
关于有理数的乘法 填空题噢噢噢噢
1.计算:-6/7×(-1又2/5)=___________
2.计算:(+3.4)×(-1又1/6)=______________
3.|a|=3,|b|=2,ab>0,则a+b=________________
4.ab0,并且|a|>|b|,则a______0,b________0
再加一道啊
5.当X>0时,X与2X哪个大?当X
关于有理数的乘法 填空题噢噢噢噢1.计算:-6/7×(-1又2/5)=___________2.计算:(+3.4)×(-1又1/6)=______________3.|a|=3,|b|=2,ab>0,则a+b=________________4.ab0,并且|a|>|b|,则a______0,b________0再加一道啊5.当X>0
1.6/5
2.-119/30
3.5或-5
4.>
1. 49/30
1. 计算:-6/7×(-1又2/5)=__-49/30_________
2. 计算:(+3.4)×(-1又1/6)=_______-199/30_______
3. |a|=3,|b|=2,ab>0,则a+b=___5 -5 -1 1_____________
4. ab<0,a+b>0,并且|a|>|b|,则a___>___0,b____<____0问题补充: ...
全部展开
1. 计算:-6/7×(-1又2/5)=__-49/30_________
2. 计算:(+3.4)×(-1又1/6)=_______-199/30_______
3. |a|=3,|b|=2,ab>0,则a+b=___5 -5 -1 1_____________
4. ab<0,a+b>0,并且|a|>|b|,则a___>___0,b____<____0问题补充:
再加一道啊
5. 当X>0时,X与2X哪个大?当X<0时,X与2X哪个大?
2x x
收起