1. -3/4*-(1 5/6)*(-7/4)=

2. -3/4*(-1 5/6)*7/4=
3. -3/4*(-1 5/6)*(-7/4)*(-2 3/8)=
4. 3/4*(- 5/6)*7/4*(-2 3/8)=
5. 3/4*1 5/6*7/4*(-2 3/8)=

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