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[tex] \sf[ - 1 + (22 - 5 \times 6 )] \div [( - 5 + 1) + 1] \\ \sf[ - 1 + (22 - 30 )] \div [( - 4) + 1] \\ \sf[ - 1 + ( - 8)] \div [- 4 + 1] \\ \sf[ - 1 - 8] \div [- 3] \\ \sf - 9 \div [- 3] \\ \sf 9 \div 3 \\ \sf \large\boxed{{\sf \red3{}}}[/tex]
