Answer:
-7/4 sign will be -
-7/2 sign will be -
11/-4 sign will be -
-0,5/-7 sign will be +
18/37 sign will be +
(-3)*(-5)/2*(-7) sign will be -
(-4)*3/(-7)*(-5) sign will be -
-3*5/4*8 sign will be -
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