计算:1除以(-1)+0除以(-5.8)-4.2乘(-1)=?
计算:1除以(-1)+0除以(-5.8)-4.2乘(-1)=?
数学人气:404 ℃时间:2019-11-09 09:05:15
优质解答
原式=(-1)+0+4.2=3.2
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