(7⼀9-5⼀6+3⼀4-7⼀18)*(-36)

2025-05-17 20:51:37
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回答(1):

(7/9-5/6+3/4-7/18)*(-36)
=7/9*(-36)-5/6*(-36)+3/4*(-36)-7/18*(-36)
=-28+30-27+14
=2-27+14
=-11