题目内容
若x>y,用不等号填空:
________
,-x+1________-y+1,(a2+1)x________(a2+1)y,-3(y+2)________-3(x+2).
答案:>,<,>,<
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题目内容
若x>y,用不等号填空:
________
,-x+1________-y+1,(a2+1)x________(a2+1)y,-3(y+2)________-3(x+2).