已知:a=(-3.14)÷3.13÷3.12,b=2.14÷(-2.13)÷2.12,c=1.14÷1.13÷(-1.12)比较a,b,c的大小
人气:447 ℃ 时间:2020-04-21 12:06:44
解答
每个式子前两数相除约等于正负1的话,
这么看就好比了
a>b>c
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