(15×18/5×8/27)×(-1/16-11/36-5/48-5/18)
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(197/22-126/11)÷5/3
16×(-1/16-11/36-5/48-5/18)
------------------------------------
(197-252/22)÷5/3
-19/9
----------------
-55/22÷5/3
-108/9
--------
-3/2
-108/9×(-2/3)
ответ8