求-2与8又2分之1的和除以-5的相反数的商
还有一道:求-6的绝对值与-8的差的倒数的2倍
我想要算式,
人气:414 ℃ 时间:2020-04-24 16:55:34
解答
1,(-2+8.5)/[-(-5)]=1.3
2,2*1/[-(-6)-(-8)]=1/7
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