(8/9-5/6-1/4)*(-36)
人气:158 ℃ 时间:2020-01-11 22:44:05
解答
(8/9-5/6-1/4)*(-36)
=8/9×(-36)-5/6×(-36)-1/4×(-36)
=-32-(-30)-(-9)
=-32+30+9
=7
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