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有理数0-(-6) 16-47 28-(-74) (-3.8)-(+7) (-5.9)-(-6.1) 过程详细
人气:200 ℃ 时间:2019-11-04 12:50:18
解答
0-(-6)
=0+6
=6
16-47
=-31
28-(-74)
=28+74
=102
(-3.8)-(+7)
=-3.8-7
=-10.8
(-5.9)-(-6.1)
=-5.9+6.1
=0.2
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