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用不等号填空,并总结规律/(+5)+(+7)//+5/+/+7//(-5)+(-7)//-5/+/+7//(-5)+(+7)//-5/+/+7//(+5)+(-7)//+5/+/-7/规律:要用不等号填空
题目详情
用不等号填空,并总结规律
/(+5)+(+7)/_______/+5/+/+7/
/(-5)+(-7)/_______/-5/+/+7/
/(-5)+(+7)/_______/-5/+/+7/
/(+5)+(-7)/_______/+5/+/-7/
规律:
要用不等号填空
/(+5)+(+7)/_______/+5/+/+7/
/(-5)+(-7)/_______/-5/+/+7/
/(-5)+(+7)/_______/-5/+/+7/
/(+5)+(-7)/_______/+5/+/-7/
规律:
要用不等号填空
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