3×6×-4
=-72
-5(5+5)
=-25-25
=-50
4×-4²+-4×-7
=4×16+-4×-7
=64+ 28
=92
4-4×-7
=4+28
=32
-9²+5×-2²
=81+20
101
-32×24/-2×-1
=-768/2
=-384
-8²×-6/-3×-4²
=64×-6/-3×-16
=-384/48
=-8
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