evaluate
(2÷11×-22÷15)+(-1÷6×3÷4)(-1÷21×-3÷5)
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Answer:
(2/11×22/15)+(-1/6×3/4)(-1/21×3/5)
4/15+(-1/8)(-1/35)
4/15+1/280
(1120+15)/4200
1135/4200
227/840
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