(-119/120)÷(-120/121)
=119/120*121/120
=(120-1)*(120+1)/120*120
=(120^2-1)/120^2
=1-1/14400
=14399/14400<1
所以-119/120>-120/121
要采纳最先回答的正确答案,是对答题者劳动的尊重.祝进步!
(-119/120)÷(-120/121)
=119/120*121/120
=(120-1)*(120+1)/120*120
=(120^2-1)/120^2
=1-1/14400
=14399/14400<1
所以-119/120>-120/121
要采纳最先回答的正确答案,是对答题者劳动的尊重.祝进步!