Update 12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/25.torus-solenoid/10.ampere-integral/20.overview/cheatsheet.fr.md

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Update 12.temporary_ins/40.classical-mechanics/30.n3/42.point-dynamics-applications/05.point-dynamics-method/10.main/textbook.fr.md